1 /*- 2 * Copyright (c) 2008,2010 Damien Bergamini <damien.bergamini@free.fr> 3 * ported to FreeBSD by Akinori Furukoshi <moonlightakkiy@yahoo.ca> 4 * USB Consulting, Hans Petter Selasky <hselasky@freebsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/cdefs.h> 20 __FBSDID("$FreeBSD$"); 21 22 /*- 23 * Ralink Technology RT2700U/RT2800U/RT3000U chipset driver. 24 * http://www.ralinktech.com/ 25 */ 26 27 #include <sys/param.h> 28 #include <sys/sockio.h> 29 #include <sys/sysctl.h> 30 #include <sys/lock.h> 31 #include <sys/mutex.h> 32 #include <sys/mbuf.h> 33 #include <sys/kernel.h> 34 #include <sys/socket.h> 35 #include <sys/systm.h> 36 #include <sys/malloc.h> 37 #include <sys/module.h> 38 #include <sys/bus.h> 39 #include <sys/endian.h> 40 #include <sys/linker.h> 41 #include <sys/firmware.h> 42 #include <sys/kdb.h> 43 44 #include <machine/bus.h> 45 #include <machine/resource.h> 46 #include <sys/rman.h> 47 48 #include <net/bpf.h> 49 #include <net/if.h> 50 #include <net/if_arp.h> 51 #include <net/ethernet.h> 52 #include <net/if_dl.h> 53 #include <net/if_media.h> 54 #include <net/if_types.h> 55 56 #include <netinet/in.h> 57 #include <netinet/in_systm.h> 58 #include <netinet/in_var.h> 59 #include <netinet/if_ether.h> 60 #include <netinet/ip.h> 61 62 #include <net80211/ieee80211_var.h> 63 #include <net80211/ieee80211_regdomain.h> 64 #include <net80211/ieee80211_radiotap.h> 65 #include <net80211/ieee80211_ratectl.h> 66 67 #include <dev/usb/usb.h> 68 #include <dev/usb/usbdi.h> 69 #include "usbdevs.h" 70 71 #define USB_DEBUG_VAR run_debug 72 #include <dev/usb/usb_debug.h> 73 74 #include <dev/usb/wlan/if_runreg.h> 75 #include <dev/usb/wlan/if_runvar.h> 76 77 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0])) 78 79 #ifdef USB_DEBUG 80 #define RUN_DEBUG 81 #endif 82 83 #ifdef RUN_DEBUG 84 int run_debug = 0; 85 static SYSCTL_NODE(_hw_usb, OID_AUTO, run, CTLFLAG_RW, 0, "USB run"); 86 SYSCTL_INT(_hw_usb_run, OID_AUTO, debug, CTLFLAG_RW, &run_debug, 0, 87 "run debug level"); 88 #endif 89 90 #define IEEE80211_HAS_ADDR4(wh) \ 91 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 92 93 /* 94 * Because of LOR in run_key_delete(), use atomic instead. 95 * '& RUN_CMDQ_MASQ' is to loop cmdq[]. 96 */ 97 #define RUN_CMDQ_GET(c) (atomic_fetchadd_32((c), 1) & RUN_CMDQ_MASQ) 98 99 static const STRUCT_USB_HOST_ID run_devs[] = { 100 #define RUN_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) } 101 RUN_DEV(ABOCOM, RT2770), 102 RUN_DEV(ABOCOM, RT2870), 103 RUN_DEV(ABOCOM, RT3070), 104 RUN_DEV(ABOCOM, RT3071), 105 RUN_DEV(ABOCOM, RT3072), 106 RUN_DEV(ABOCOM2, RT2870_1), 107 RUN_DEV(ACCTON, RT2770), 108 RUN_DEV(ACCTON, RT2870_1), 109 RUN_DEV(ACCTON, RT2870_2), 110 RUN_DEV(ACCTON, RT2870_3), 111 RUN_DEV(ACCTON, RT2870_4), 112 RUN_DEV(ACCTON, RT2870_5), 113 RUN_DEV(ACCTON, RT3070), 114 RUN_DEV(ACCTON, RT3070_1), 115 RUN_DEV(ACCTON, RT3070_2), 116 RUN_DEV(ACCTON, RT3070_3), 117 RUN_DEV(ACCTON, RT3070_4), 118 RUN_DEV(ACCTON, RT3070_5), 119 RUN_DEV(AIRTIES, RT3070), 120 RUN_DEV(ALLWIN, RT2070), 121 RUN_DEV(ALLWIN, RT2770), 122 RUN_DEV(ALLWIN, RT2870), 123 RUN_DEV(ALLWIN, RT3070), 124 RUN_DEV(ALLWIN, RT3071), 125 RUN_DEV(ALLWIN, RT3072), 126 RUN_DEV(ALLWIN, RT3572), 127 RUN_DEV(AMIGO, RT2870_1), 128 RUN_DEV(AMIGO, RT2870_2), 129 RUN_DEV(AMIT, CGWLUSB2GNR), 130 RUN_DEV(AMIT, RT2870_1), 131 RUN_DEV(AMIT2, RT2870), 132 RUN_DEV(ASUS, RT2870_1), 133 RUN_DEV(ASUS, RT2870_2), 134 RUN_DEV(ASUS, RT2870_3), 135 RUN_DEV(ASUS, RT2870_4), 136 RUN_DEV(ASUS, RT2870_5), 137 RUN_DEV(ASUS, USBN13), 138 RUN_DEV(ASUS, RT3070_1), 139 RUN_DEV(ASUS2, USBN11), 140 RUN_DEV(AZUREWAVE, RT2870_1), 141 RUN_DEV(AZUREWAVE, RT2870_2), 142 RUN_DEV(AZUREWAVE, RT3070_1), 143 RUN_DEV(AZUREWAVE, RT3070_2), 144 RUN_DEV(AZUREWAVE, RT3070_3), 145 RUN_DEV(BELKIN, F5D8053V3), 146 RUN_DEV(BELKIN, F5D8055), 147 RUN_DEV(BELKIN, F5D8055V2), 148 RUN_DEV(BELKIN, F6D4050V1), 149 RUN_DEV(BELKIN, RT2870_1), 150 RUN_DEV(BELKIN, RT2870_2), 151 RUN_DEV(CISCOLINKSYS, AE1000), 152 RUN_DEV(CISCOLINKSYS2, RT3070), 153 RUN_DEV(CISCOLINKSYS3, RT3070), 154 RUN_DEV(CONCEPTRONIC2, RT2870_1), 155 RUN_DEV(CONCEPTRONIC2, RT2870_2), 156 RUN_DEV(CONCEPTRONIC2, RT2870_3), 157 RUN_DEV(CONCEPTRONIC2, RT2870_4), 158 RUN_DEV(CONCEPTRONIC2, RT2870_5), 159 RUN_DEV(CONCEPTRONIC2, RT2870_6), 160 RUN_DEV(CONCEPTRONIC2, RT2870_7), 161 RUN_DEV(CONCEPTRONIC2, RT2870_8), 162 RUN_DEV(CONCEPTRONIC2, RT3070_1), 163 RUN_DEV(CONCEPTRONIC2, RT3070_2), 164 RUN_DEV(CONCEPTRONIC2, VIGORN61), 165 RUN_DEV(COREGA, CGWLUSB300GNM), 166 RUN_DEV(COREGA, RT2870_1), 167 RUN_DEV(COREGA, RT2870_2), 168 RUN_DEV(COREGA, RT2870_3), 169 RUN_DEV(COREGA, RT3070), 170 RUN_DEV(CYBERTAN, RT2870), 171 RUN_DEV(DLINK, RT2870), 172 RUN_DEV(DLINK, RT3072), 173 RUN_DEV(DLINK2, DWA130), 174 RUN_DEV(DLINK2, RT2870_1), 175 RUN_DEV(DLINK2, RT2870_2), 176 RUN_DEV(DLINK2, RT3070_1), 177 RUN_DEV(DLINK2, RT3070_2), 178 RUN_DEV(DLINK2, RT3070_3), 179 RUN_DEV(DLINK2, RT3070_4), 180 RUN_DEV(DLINK2, RT3070_5), 181 RUN_DEV(DLINK2, RT3072), 182 RUN_DEV(DLINK2, RT3072_1), 183 RUN_DEV(EDIMAX, EW7717), 184 RUN_DEV(EDIMAX, EW7718), 185 RUN_DEV(EDIMAX, RT2870_1), 186 RUN_DEV(ENCORE, RT3070_1), 187 RUN_DEV(ENCORE, RT3070_2), 188 RUN_DEV(ENCORE, RT3070_3), 189 RUN_DEV(GIGABYTE, GNWB31N), 190 RUN_DEV(GIGABYTE, GNWB32L), 191 RUN_DEV(GIGABYTE, RT2870_1), 192 RUN_DEV(GIGASET, RT3070_1), 193 RUN_DEV(GIGASET, RT3070_2), 194 RUN_DEV(GUILLEMOT, HWNU300), 195 RUN_DEV(HAWKING, HWUN2), 196 RUN_DEV(HAWKING, RT2870_1), 197 RUN_DEV(HAWKING, RT2870_2), 198 RUN_DEV(HAWKING, RT3070), 199 RUN_DEV(IODATA, RT3072_1), 200 RUN_DEV(IODATA, RT3072_2), 201 RUN_DEV(IODATA, RT3072_3), 202 RUN_DEV(IODATA, RT3072_4), 203 RUN_DEV(LINKSYS4, RT3070), 204 RUN_DEV(LINKSYS4, WUSB100), 205 RUN_DEV(LINKSYS4, WUSB54GCV3), 206 RUN_DEV(LINKSYS4, WUSB600N), 207 RUN_DEV(LINKSYS4, WUSB600NV2), 208 RUN_DEV(LOGITEC, RT2870_1), 209 RUN_DEV(LOGITEC, RT2870_2), 210 RUN_DEV(LOGITEC, RT2870_3), 211 RUN_DEV(LOGITECH, LANW300NU2), 212 RUN_DEV(MELCO, RT2870_1), 213 RUN_DEV(MELCO, RT2870_2), 214 RUN_DEV(MELCO, WLIUCAG300N), 215 RUN_DEV(MELCO, WLIUCG300N), 216 RUN_DEV(MELCO, WLIUCG301N), 217 RUN_DEV(MELCO, WLIUCGN), 218 RUN_DEV(MELCO, WLIUCGNM), 219 RUN_DEV(MOTOROLA4, RT2770), 220 RUN_DEV(MOTOROLA4, RT3070), 221 RUN_DEV(MSI, RT3070_1), 222 RUN_DEV(MSI, RT3070_2), 223 RUN_DEV(MSI, RT3070_3), 224 RUN_DEV(MSI, RT3070_4), 225 RUN_DEV(MSI, RT3070_5), 226 RUN_DEV(MSI, RT3070_6), 227 RUN_DEV(MSI, RT3070_7), 228 RUN_DEV(MSI, RT3070_8), 229 RUN_DEV(MSI, RT3070_9), 230 RUN_DEV(MSI, RT3070_10), 231 RUN_DEV(MSI, RT3070_11), 232 RUN_DEV(OVISLINK, RT3072), 233 RUN_DEV(PARA, RT3070), 234 RUN_DEV(PEGATRON, RT2870), 235 RUN_DEV(PEGATRON, RT3070), 236 RUN_DEV(PEGATRON, RT3070_2), 237 RUN_DEV(PEGATRON, RT3070_3), 238 RUN_DEV(PHILIPS, RT2870), 239 RUN_DEV(PLANEX2, GWUS300MINIS), 240 RUN_DEV(PLANEX2, GWUSMICRON), 241 RUN_DEV(PLANEX2, RT2870), 242 RUN_DEV(PLANEX2, RT3070), 243 RUN_DEV(QCOM, RT2870), 244 RUN_DEV(QUANTA, RT3070), 245 RUN_DEV(RALINK, RT2070), 246 RUN_DEV(RALINK, RT2770), 247 RUN_DEV(RALINK, RT2870), 248 RUN_DEV(RALINK, RT3070), 249 RUN_DEV(RALINK, RT3071), 250 RUN_DEV(RALINK, RT3072), 251 RUN_DEV(RALINK, RT3370), 252 RUN_DEV(RALINK, RT3572), 253 RUN_DEV(RALINK, RT8070), 254 RUN_DEV(SAMSUNG, WIS09ABGN), 255 RUN_DEV(SAMSUNG2, RT2870_1), 256 RUN_DEV(SENAO, RT2870_1), 257 RUN_DEV(SENAO, RT2870_2), 258 RUN_DEV(SENAO, RT2870_3), 259 RUN_DEV(SENAO, RT2870_4), 260 RUN_DEV(SENAO, RT3070), 261 RUN_DEV(SENAO, RT3071), 262 RUN_DEV(SENAO, RT3072_1), 263 RUN_DEV(SENAO, RT3072_2), 264 RUN_DEV(SENAO, RT3072_3), 265 RUN_DEV(SENAO, RT3072_4), 266 RUN_DEV(SENAO, RT3072_5), 267 RUN_DEV(SITECOMEU, RT2770), 268 RUN_DEV(SITECOMEU, RT2870_1), 269 RUN_DEV(SITECOMEU, RT2870_2), 270 RUN_DEV(SITECOMEU, RT2870_3), 271 RUN_DEV(SITECOMEU, RT2870_4), 272 RUN_DEV(SITECOMEU, RT3070), 273 RUN_DEV(SITECOMEU, RT3070_2), 274 RUN_DEV(SITECOMEU, RT3070_3), 275 RUN_DEV(SITECOMEU, RT3070_4), 276 RUN_DEV(SITECOMEU, RT3071), 277 RUN_DEV(SITECOMEU, RT3072_1), 278 RUN_DEV(SITECOMEU, RT3072_2), 279 RUN_DEV(SITECOMEU, RT3072_3), 280 RUN_DEV(SITECOMEU, RT3072_4), 281 RUN_DEV(SITECOMEU, RT3072_5), 282 RUN_DEV(SITECOMEU, RT3072_6), 283 RUN_DEV(SITECOMEU, WL608), 284 RUN_DEV(SPARKLAN, RT2870_1), 285 RUN_DEV(SPARKLAN, RT3070), 286 RUN_DEV(SWEEX2, LW153), 287 RUN_DEV(SWEEX2, LW303), 288 RUN_DEV(SWEEX2, LW313), 289 RUN_DEV(TOSHIBA, RT3070), 290 RUN_DEV(UMEDIA, RT2870_1), 291 RUN_DEV(ZCOM, RT2870_1), 292 RUN_DEV(ZCOM, RT2870_2), 293 RUN_DEV(ZINWELL, RT2870_1), 294 RUN_DEV(ZINWELL, RT2870_2), 295 RUN_DEV(ZINWELL, RT3070), 296 RUN_DEV(ZINWELL, RT3072_1), 297 RUN_DEV(ZINWELL, RT3072_2), 298 RUN_DEV(ZYXEL, RT2870_1), 299 RUN_DEV(ZYXEL, RT2870_2), 300 #undef RUN_DEV 301 }; 302 303 static device_probe_t run_match; 304 static device_attach_t run_attach; 305 static device_detach_t run_detach; 306 307 static usb_callback_t run_bulk_rx_callback; 308 static usb_callback_t run_bulk_tx_callback0; 309 static usb_callback_t run_bulk_tx_callback1; 310 static usb_callback_t run_bulk_tx_callback2; 311 static usb_callback_t run_bulk_tx_callback3; 312 static usb_callback_t run_bulk_tx_callback4; 313 static usb_callback_t run_bulk_tx_callback5; 314 315 static void run_bulk_tx_callbackN(struct usb_xfer *xfer, 316 usb_error_t error, unsigned int index); 317 static struct ieee80211vap *run_vap_create(struct ieee80211com *, 318 const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 319 const uint8_t [IEEE80211_ADDR_LEN], 320 const uint8_t [IEEE80211_ADDR_LEN]); 321 static void run_vap_delete(struct ieee80211vap *); 322 static void run_cmdq_cb(void *, int); 323 static void run_setup_tx_list(struct run_softc *, 324 struct run_endpoint_queue *); 325 static void run_unsetup_tx_list(struct run_softc *, 326 struct run_endpoint_queue *); 327 static int run_load_microcode(struct run_softc *); 328 static int run_reset(struct run_softc *); 329 static usb_error_t run_do_request(struct run_softc *, 330 struct usb_device_request *, void *); 331 static int run_read(struct run_softc *, uint16_t, uint32_t *); 332 static int run_read_region_1(struct run_softc *, uint16_t, uint8_t *, int); 333 static int run_write_2(struct run_softc *, uint16_t, uint16_t); 334 static int run_write(struct run_softc *, uint16_t, uint32_t); 335 static int run_write_region_1(struct run_softc *, uint16_t, 336 const uint8_t *, int); 337 static int run_set_region_4(struct run_softc *, uint16_t, uint32_t, int); 338 static int run_efuse_read_2(struct run_softc *, uint16_t, uint16_t *); 339 static int run_eeprom_read_2(struct run_softc *, uint16_t, uint16_t *); 340 static int run_rt2870_rf_write(struct run_softc *, uint8_t, uint32_t); 341 static int run_rt3070_rf_read(struct run_softc *, uint8_t, uint8_t *); 342 static int run_rt3070_rf_write(struct run_softc *, uint8_t, uint8_t); 343 static int run_bbp_read(struct run_softc *, uint8_t, uint8_t *); 344 static int run_bbp_write(struct run_softc *, uint8_t, uint8_t); 345 static int run_mcu_cmd(struct run_softc *, uint8_t, uint16_t); 346 static const char *run_get_rf(int); 347 static int run_read_eeprom(struct run_softc *); 348 static struct ieee80211_node *run_node_alloc(struct ieee80211vap *, 349 const uint8_t mac[IEEE80211_ADDR_LEN]); 350 static int run_media_change(struct ifnet *); 351 static int run_newstate(struct ieee80211vap *, enum ieee80211_state, int); 352 static int run_wme_update(struct ieee80211com *); 353 static void run_wme_update_cb(void *); 354 static void run_key_update_begin(struct ieee80211vap *); 355 static void run_key_update_end(struct ieee80211vap *); 356 static void run_key_set_cb(void *); 357 static int run_key_set(struct ieee80211vap *, struct ieee80211_key *, 358 const uint8_t mac[IEEE80211_ADDR_LEN]); 359 static void run_key_delete_cb(void *); 360 static int run_key_delete(struct ieee80211vap *, struct ieee80211_key *); 361 static void run_ratectl_to(void *); 362 static void run_ratectl_cb(void *, int); 363 static void run_drain_fifo(void *); 364 static void run_iter_func(void *, struct ieee80211_node *); 365 static void run_newassoc_cb(void *); 366 static void run_newassoc(struct ieee80211_node *, int); 367 static void run_rx_frame(struct run_softc *, struct mbuf *, uint32_t); 368 static void run_tx_free(struct run_endpoint_queue *pq, 369 struct run_tx_data *, int); 370 static void run_set_tx_desc(struct run_softc *, struct run_tx_data *); 371 static int run_tx(struct run_softc *, struct mbuf *, 372 struct ieee80211_node *); 373 static int run_tx_mgt(struct run_softc *, struct mbuf *, 374 struct ieee80211_node *); 375 static int run_sendprot(struct run_softc *, const struct mbuf *, 376 struct ieee80211_node *, int, int); 377 static int run_tx_param(struct run_softc *, struct mbuf *, 378 struct ieee80211_node *, 379 const struct ieee80211_bpf_params *); 380 static int run_raw_xmit(struct ieee80211_node *, struct mbuf *, 381 const struct ieee80211_bpf_params *); 382 static void run_start(struct ifnet *); 383 static int run_ioctl(struct ifnet *, u_long, caddr_t); 384 static void run_set_agc(struct run_softc *, uint8_t); 385 static void run_select_chan_group(struct run_softc *, int); 386 static void run_set_rx_antenna(struct run_softc *, int); 387 static void run_rt2870_set_chan(struct run_softc *, u_int); 388 static void run_rt3070_set_chan(struct run_softc *, u_int); 389 static void run_rt3572_set_chan(struct run_softc *, u_int); 390 static int run_set_chan(struct run_softc *, struct ieee80211_channel *); 391 static void run_set_channel(struct ieee80211com *); 392 static void run_scan_start(struct ieee80211com *); 393 static void run_scan_end(struct ieee80211com *); 394 static void run_update_beacon(struct ieee80211vap *, int); 395 static void run_update_beacon_cb(void *); 396 static void run_updateprot(struct ieee80211com *); 397 static void run_updateprot_cb(void *); 398 static void run_usb_timeout_cb(void *); 399 static void run_reset_livelock(struct run_softc *); 400 static void run_enable_tsf_sync(struct run_softc *); 401 static void run_enable_mrr(struct run_softc *); 402 static void run_set_txpreamble(struct run_softc *); 403 static void run_set_basicrates(struct run_softc *); 404 static void run_set_leds(struct run_softc *, uint16_t); 405 static void run_set_bssid(struct run_softc *, const uint8_t *); 406 static void run_set_macaddr(struct run_softc *, const uint8_t *); 407 static void run_updateslot(struct ifnet *); 408 static void run_updateslot_cb(void *); 409 static void run_update_mcast(struct ifnet *); 410 static int8_t run_rssi2dbm(struct run_softc *, uint8_t, uint8_t); 411 static void run_update_promisc_locked(struct ifnet *); 412 static void run_update_promisc(struct ifnet *); 413 static int run_bbp_init(struct run_softc *); 414 static int run_rt3070_rf_init(struct run_softc *); 415 static int run_rt3070_filter_calib(struct run_softc *, uint8_t, uint8_t, 416 uint8_t *); 417 static void run_rt3070_rf_setup(struct run_softc *); 418 static int run_txrx_enable(struct run_softc *); 419 static void run_init(void *); 420 static void run_init_locked(struct run_softc *); 421 static void run_stop(void *); 422 static void run_delay(struct run_softc *, unsigned int); 423 424 static const struct { 425 uint16_t reg; 426 uint32_t val; 427 } rt2870_def_mac[] = { 428 RT2870_DEF_MAC 429 }; 430 431 static const struct { 432 uint8_t reg; 433 uint8_t val; 434 } rt2860_def_bbp[] = { 435 RT2860_DEF_BBP 436 }; 437 438 static const struct rfprog { 439 uint8_t chan; 440 uint32_t r1, r2, r3, r4; 441 } rt2860_rf2850[] = { 442 RT2860_RF2850 443 }; 444 445 struct { 446 uint8_t n, r, k; 447 } rt3070_freqs[] = { 448 RT3070_RF3052 449 }; 450 451 static const struct { 452 uint8_t reg; 453 uint8_t val; 454 } rt3070_def_rf[] = { 455 RT3070_DEF_RF 456 },rt3572_def_rf[] = { 457 RT3572_DEF_RF 458 }; 459 460 static const struct usb_config run_config[RUN_N_XFER] = { 461 [RUN_BULK_TX_BE] = { 462 .type = UE_BULK, 463 .endpoint = UE_ADDR_ANY, 464 .ep_index = 0, 465 .direction = UE_DIR_OUT, 466 .bufsize = RUN_MAX_TXSZ, 467 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 468 .callback = run_bulk_tx_callback0, 469 .timeout = 5000, /* ms */ 470 }, 471 [RUN_BULK_TX_BK] = { 472 .type = UE_BULK, 473 .endpoint = UE_ADDR_ANY, 474 .direction = UE_DIR_OUT, 475 .ep_index = 1, 476 .bufsize = RUN_MAX_TXSZ, 477 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 478 .callback = run_bulk_tx_callback1, 479 .timeout = 5000, /* ms */ 480 }, 481 [RUN_BULK_TX_VI] = { 482 .type = UE_BULK, 483 .endpoint = UE_ADDR_ANY, 484 .direction = UE_DIR_OUT, 485 .ep_index = 2, 486 .bufsize = RUN_MAX_TXSZ, 487 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 488 .callback = run_bulk_tx_callback2, 489 .timeout = 5000, /* ms */ 490 }, 491 [RUN_BULK_TX_VO] = { 492 .type = UE_BULK, 493 .endpoint = UE_ADDR_ANY, 494 .direction = UE_DIR_OUT, 495 .ep_index = 3, 496 .bufsize = RUN_MAX_TXSZ, 497 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 498 .callback = run_bulk_tx_callback3, 499 .timeout = 5000, /* ms */ 500 }, 501 [RUN_BULK_TX_HCCA] = { 502 .type = UE_BULK, 503 .endpoint = UE_ADDR_ANY, 504 .direction = UE_DIR_OUT, 505 .ep_index = 4, 506 .bufsize = RUN_MAX_TXSZ, 507 .flags = {.pipe_bof = 1,.force_short_xfer = 1,.no_pipe_ok = 1,}, 508 .callback = run_bulk_tx_callback4, 509 .timeout = 5000, /* ms */ 510 }, 511 [RUN_BULK_TX_PRIO] = { 512 .type = UE_BULK, 513 .endpoint = UE_ADDR_ANY, 514 .direction = UE_DIR_OUT, 515 .ep_index = 5, 516 .bufsize = RUN_MAX_TXSZ, 517 .flags = {.pipe_bof = 1,.force_short_xfer = 1,.no_pipe_ok = 1,}, 518 .callback = run_bulk_tx_callback5, 519 .timeout = 5000, /* ms */ 520 }, 521 [RUN_BULK_RX] = { 522 .type = UE_BULK, 523 .endpoint = UE_ADDR_ANY, 524 .direction = UE_DIR_IN, 525 .bufsize = RUN_MAX_RXSZ, 526 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 527 .callback = run_bulk_rx_callback, 528 } 529 }; 530 531 static int 532 run_match(device_t self) 533 { 534 struct usb_attach_arg *uaa = device_get_ivars(self); 535 536 if (uaa->usb_mode != USB_MODE_HOST) 537 return (ENXIO); 538 if (uaa->info.bConfigIndex != 0) 539 return (ENXIO); 540 if (uaa->info.bIfaceIndex != RT2860_IFACE_INDEX) 541 return (ENXIO); 542 543 return (usbd_lookup_id_by_uaa(run_devs, sizeof(run_devs), uaa)); 544 } 545 546 static int 547 run_attach(device_t self) 548 { 549 struct run_softc *sc = device_get_softc(self); 550 struct usb_attach_arg *uaa = device_get_ivars(self); 551 struct ieee80211com *ic; 552 struct ifnet *ifp; 553 uint32_t ver; 554 int i, ntries, error; 555 uint8_t iface_index, bands; 556 557 device_set_usb_desc(self); 558 sc->sc_udev = uaa->device; 559 sc->sc_dev = self; 560 561 mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), 562 MTX_NETWORK_LOCK, MTX_DEF); 563 564 iface_index = RT2860_IFACE_INDEX; 565 566 error = usbd_transfer_setup(uaa->device, &iface_index, 567 sc->sc_xfer, run_config, RUN_N_XFER, sc, &sc->sc_mtx); 568 if (error) { 569 device_printf(self, "could not allocate USB transfers, " 570 "err=%s\n", usbd_errstr(error)); 571 goto detach; 572 } 573 574 RUN_LOCK(sc); 575 576 /* wait for the chip to settle */ 577 for (ntries = 0; ntries < 100; ntries++) { 578 if (run_read(sc, RT2860_ASIC_VER_ID, &ver) != 0) { 579 RUN_UNLOCK(sc); 580 goto detach; 581 } 582 if (ver != 0 && ver != 0xffffffff) 583 break; 584 run_delay(sc, 10); 585 } 586 if (ntries == 100) { 587 device_printf(sc->sc_dev, 588 "timeout waiting for NIC to initialize\n"); 589 RUN_UNLOCK(sc); 590 goto detach; 591 } 592 sc->mac_ver = ver >> 16; 593 sc->mac_rev = ver & 0xffff; 594 595 /* retrieve RF rev. no and various other things from EEPROM */ 596 run_read_eeprom(sc); 597 598 device_printf(sc->sc_dev, 599 "MAC/BBP RT%04X (rev 0x%04X), RF %s (MIMO %dT%dR), address %s\n", 600 sc->mac_ver, sc->mac_rev, run_get_rf(sc->rf_rev), 601 sc->ntxchains, sc->nrxchains, ether_sprintf(sc->sc_bssid)); 602 603 if ((error = run_load_microcode(sc)) != 0) { 604 device_printf(sc->sc_dev, "could not load 8051 microcode\n"); 605 RUN_UNLOCK(sc); 606 goto detach; 607 } 608 609 RUN_UNLOCK(sc); 610 611 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 612 if (ifp == NULL) { 613 device_printf(sc->sc_dev, "can not if_alloc()\n"); 614 goto detach; 615 } 616 ic = ifp->if_l2com; 617 618 ifp->if_softc = sc; 619 if_initname(ifp, "run", device_get_unit(sc->sc_dev)); 620 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 621 ifp->if_init = run_init; 622 ifp->if_ioctl = run_ioctl; 623 ifp->if_start = run_start; 624 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 625 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 626 IFQ_SET_READY(&ifp->if_snd); 627 628 ic->ic_ifp = ifp; 629 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 630 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 631 632 /* set device capabilities */ 633 ic->ic_caps = 634 IEEE80211_C_STA | /* station mode supported */ 635 IEEE80211_C_MONITOR | /* monitor mode supported */ 636 IEEE80211_C_IBSS | 637 IEEE80211_C_HOSTAP | 638 IEEE80211_C_WDS | /* 4-address traffic works */ 639 IEEE80211_C_MBSS | 640 IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 641 IEEE80211_C_SHSLOT | /* short slot time supported */ 642 IEEE80211_C_WME | /* WME */ 643 IEEE80211_C_WPA; /* WPA1|WPA2(RSN) */ 644 645 ic->ic_cryptocaps = 646 IEEE80211_CRYPTO_WEP | 647 IEEE80211_CRYPTO_AES_CCM | 648 IEEE80211_CRYPTO_TKIPMIC | 649 IEEE80211_CRYPTO_TKIP; 650 651 ic->ic_flags |= IEEE80211_F_DATAPAD; 652 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS; 653 654 bands = 0; 655 setbit(&bands, IEEE80211_MODE_11B); 656 setbit(&bands, IEEE80211_MODE_11G); 657 ieee80211_init_channels(ic, NULL, &bands); 658 659 /* 660 * Do this by own because h/w supports 661 * more channels than ieee80211_init_channels() 662 */ 663 if (sc->rf_rev == RT2860_RF_2750 || 664 sc->rf_rev == RT2860_RF_2850 || 665 sc->rf_rev == RT3070_RF_3052) { 666 /* set supported .11a rates */ 667 for (i = 14; i < nitems(rt2860_rf2850); i++) { 668 uint8_t chan = rt2860_rf2850[i].chan; 669 ic->ic_channels[ic->ic_nchans].ic_freq = 670 ieee80211_ieee2mhz(chan, IEEE80211_CHAN_A); 671 ic->ic_channels[ic->ic_nchans].ic_ieee = chan; 672 ic->ic_channels[ic->ic_nchans].ic_flags = IEEE80211_CHAN_A; 673 ic->ic_channels[ic->ic_nchans].ic_extieee = 0; 674 ic->ic_nchans++; 675 } 676 } 677 678 ieee80211_ifattach(ic, sc->sc_bssid); 679 680 ic->ic_scan_start = run_scan_start; 681 ic->ic_scan_end = run_scan_end; 682 ic->ic_set_channel = run_set_channel; 683 ic->ic_node_alloc = run_node_alloc; 684 ic->ic_newassoc = run_newassoc; 685 ic->ic_updateslot = run_updateslot; 686 ic->ic_update_mcast = run_update_mcast; 687 ic->ic_wme.wme_update = run_wme_update; 688 ic->ic_raw_xmit = run_raw_xmit; 689 ic->ic_update_promisc = run_update_promisc; 690 691 ic->ic_vap_create = run_vap_create; 692 ic->ic_vap_delete = run_vap_delete; 693 694 ieee80211_radiotap_attach(ic, 695 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 696 RUN_TX_RADIOTAP_PRESENT, 697 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 698 RUN_RX_RADIOTAP_PRESENT); 699 700 TASK_INIT(&sc->cmdq_task, 0, run_cmdq_cb, sc); 701 TASK_INIT(&sc->ratectl_task, 0, run_ratectl_cb, sc); 702 callout_init((struct callout *)&sc->ratectl_ch, 1); 703 704 if (bootverbose) 705 ieee80211_announce(ic); 706 707 return (0); 708 709 detach: 710 run_detach(self); 711 return (ENXIO); 712 } 713 714 static int 715 run_detach(device_t self) 716 { 717 struct run_softc *sc = device_get_softc(self); 718 struct ifnet *ifp = sc->sc_ifp; 719 struct ieee80211com *ic; 720 int i; 721 722 /* stop all USB transfers */ 723 usbd_transfer_unsetup(sc->sc_xfer, RUN_N_XFER); 724 725 RUN_LOCK(sc); 726 727 sc->ratectl_run = RUN_RATECTL_OFF; 728 sc->cmdq_run = sc->cmdq_key_set = RUN_CMDQ_ABORT; 729 730 /* free TX list, if any */ 731 for (i = 0; i != RUN_EP_QUEUES; i++) 732 run_unsetup_tx_list(sc, &sc->sc_epq[i]); 733 RUN_UNLOCK(sc); 734 735 if (ifp) { 736 ic = ifp->if_l2com; 737 /* drain tasks */ 738 usb_callout_drain(&sc->ratectl_ch); 739 ieee80211_draintask(ic, &sc->cmdq_task); 740 ieee80211_draintask(ic, &sc->ratectl_task); 741 ieee80211_ifdetach(ic); 742 if_free(ifp); 743 } 744 745 mtx_destroy(&sc->sc_mtx); 746 747 return (0); 748 } 749 750 static struct ieee80211vap * 751 run_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 752 enum ieee80211_opmode opmode, int flags, 753 const uint8_t bssid[IEEE80211_ADDR_LEN], 754 const uint8_t mac[IEEE80211_ADDR_LEN]) 755 { 756 struct ifnet *ifp = ic->ic_ifp; 757 struct run_softc *sc = ifp->if_softc; 758 struct run_vap *rvp; 759 struct ieee80211vap *vap; 760 int i; 761 762 if (sc->rvp_cnt >= RUN_VAP_MAX) { 763 if_printf(ifp, "number of VAPs maxed out\n"); 764 return (NULL); 765 } 766 767 switch (opmode) { 768 case IEEE80211_M_STA: 769 /* enable s/w bmiss handling for sta mode */ 770 flags |= IEEE80211_CLONE_NOBEACONS; 771 /* fall though */ 772 case IEEE80211_M_IBSS: 773 case IEEE80211_M_MONITOR: 774 case IEEE80211_M_HOSTAP: 775 case IEEE80211_M_MBSS: 776 /* other than WDS vaps, only one at a time */ 777 if (!TAILQ_EMPTY(&ic->ic_vaps)) 778 return (NULL); 779 break; 780 case IEEE80211_M_WDS: 781 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next){ 782 if(vap->iv_opmode != IEEE80211_M_HOSTAP) 783 continue; 784 /* WDS vap's always share the local mac address. */ 785 flags &= ~IEEE80211_CLONE_BSSID; 786 break; 787 } 788 if (vap == NULL) { 789 if_printf(ifp, "wds only supported in ap mode\n"); 790 return (NULL); 791 } 792 break; 793 default: 794 if_printf(ifp, "unknown opmode %d\n", opmode); 795 return (NULL); 796 } 797 798 rvp = (struct run_vap *) malloc(sizeof(struct run_vap), 799 M_80211_VAP, M_NOWAIT | M_ZERO); 800 if (rvp == NULL) 801 return (NULL); 802 vap = &rvp->vap; 803 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac); 804 805 vap->iv_key_update_begin = run_key_update_begin; 806 vap->iv_key_update_end = run_key_update_end; 807 vap->iv_update_beacon = run_update_beacon; 808 vap->iv_max_aid = RT2870_WCID_MAX; 809 /* 810 * To delete the right key from h/w, we need wcid. 811 * Luckily, there is unused space in ieee80211_key{}, wk_pad, 812 * and matching wcid will be written into there. So, cast 813 * some spells to remove 'const' from ieee80211_key{} 814 */ 815 vap->iv_key_delete = (void *)run_key_delete; 816 vap->iv_key_set = (void *)run_key_set; 817 818 /* override state transition machine */ 819 rvp->newstate = vap->iv_newstate; 820 vap->iv_newstate = run_newstate; 821 822 ieee80211_ratectl_init(vap); 823 ieee80211_ratectl_setinterval(vap, 1000 /* 1 sec */); 824 825 /* complete setup */ 826 ieee80211_vap_attach(vap, run_media_change, ieee80211_media_status); 827 828 /* make sure id is always unique */ 829 for (i = 0; i < RUN_VAP_MAX; i++) { 830 if((sc->rvp_bmap & 1 << i) == 0){ 831 sc->rvp_bmap |= 1 << i; 832 rvp->rvp_id = i; 833 break; 834 } 835 } 836 if (sc->rvp_cnt++ == 0) 837 ic->ic_opmode = opmode; 838 839 if (opmode == IEEE80211_M_HOSTAP) 840 sc->cmdq_run = RUN_CMDQ_GO; 841 842 DPRINTF("rvp_id=%d bmap=%x rvp_cnt=%d\n", 843 rvp->rvp_id, sc->rvp_bmap, sc->rvp_cnt); 844 845 return (vap); 846 } 847 848 static void 849 run_vap_delete(struct ieee80211vap *vap) 850 { 851 struct run_vap *rvp = RUN_VAP(vap); 852 struct ifnet *ifp; 853 struct ieee80211com *ic; 854 struct run_softc *sc; 855 uint8_t rvp_id; 856 857 if (vap == NULL) 858 return; 859 860 ic = vap->iv_ic; 861 ifp = ic->ic_ifp; 862 863 sc = ifp->if_softc; 864 865 RUN_LOCK(sc); 866 867 m_freem(rvp->beacon_mbuf); 868 rvp->beacon_mbuf = NULL; 869 870 rvp_id = rvp->rvp_id; 871 sc->ratectl_run &= ~(1 << rvp_id); 872 sc->rvp_bmap &= ~(1 << rvp_id); 873 run_set_region_4(sc, RT2860_SKEY(rvp_id, 0), 0, 128); 874 run_set_region_4(sc, RT2860_BCN_BASE(rvp_id), 0, 512); 875 --sc->rvp_cnt; 876 877 DPRINTF("vap=%p rvp_id=%d bmap=%x rvp_cnt=%d\n", 878 vap, rvp_id, sc->rvp_bmap, sc->rvp_cnt); 879 880 RUN_UNLOCK(sc); 881 882 ieee80211_ratectl_deinit(vap); 883 ieee80211_vap_detach(vap); 884 free(rvp, M_80211_VAP); 885 } 886 887 /* 888 * There are numbers of functions need to be called in context thread. 889 * Rather than creating taskqueue event for each of those functions, 890 * here is all-for-one taskqueue callback function. This function 891 * gurantees deferred functions are executed in the same order they 892 * were enqueued. 893 * '& RUN_CMDQ_MASQ' is to loop cmdq[]. 894 */ 895 static void 896 run_cmdq_cb(void *arg, int pending) 897 { 898 struct run_softc *sc = arg; 899 uint8_t i; 900 901 /* call cmdq[].func locked */ 902 RUN_LOCK(sc); 903 for (i = sc->cmdq_exec; sc->cmdq[i].func && pending; 904 i = sc->cmdq_exec, pending--) { 905 DPRINTFN(6, "cmdq_exec=%d pending=%d\n", i, pending); 906 if (sc->cmdq_run == RUN_CMDQ_GO) { 907 /* 908 * If arg0 is NULL, callback func needs more 909 * than one arg. So, pass ptr to cmdq struct. 910 */ 911 if (sc->cmdq[i].arg0) 912 sc->cmdq[i].func(sc->cmdq[i].arg0); 913 else 914 sc->cmdq[i].func(&sc->cmdq[i]); 915 } 916 sc->cmdq[i].arg0 = NULL; 917 sc->cmdq[i].func = NULL; 918 sc->cmdq_exec++; 919 sc->cmdq_exec &= RUN_CMDQ_MASQ; 920 } 921 RUN_UNLOCK(sc); 922 } 923 924 static void 925 run_setup_tx_list(struct run_softc *sc, struct run_endpoint_queue *pq) 926 { 927 struct run_tx_data *data; 928 929 memset(pq, 0, sizeof(*pq)); 930 931 STAILQ_INIT(&pq->tx_qh); 932 STAILQ_INIT(&pq->tx_fh); 933 934 for (data = &pq->tx_data[0]; 935 data < &pq->tx_data[RUN_TX_RING_COUNT]; data++) { 936 data->sc = sc; 937 STAILQ_INSERT_TAIL(&pq->tx_fh, data, next); 938 } 939 pq->tx_nfree = RUN_TX_RING_COUNT; 940 } 941 942 static void 943 run_unsetup_tx_list(struct run_softc *sc, struct run_endpoint_queue *pq) 944 { 945 struct run_tx_data *data; 946 947 /* make sure any subsequent use of the queues will fail */ 948 pq->tx_nfree = 0; 949 STAILQ_INIT(&pq->tx_fh); 950 STAILQ_INIT(&pq->tx_qh); 951 952 /* free up all node references and mbufs */ 953 for (data = &pq->tx_data[0]; 954 data < &pq->tx_data[RUN_TX_RING_COUNT]; data++) { 955 if (data->m != NULL) { 956 m_freem(data->m); 957 data->m = NULL; 958 } 959 if (data->ni != NULL) { 960 ieee80211_free_node(data->ni); 961 data->ni = NULL; 962 } 963 } 964 } 965 966 static int 967 run_load_microcode(struct run_softc *sc) 968 { 969 usb_device_request_t req; 970 const struct firmware *fw; 971 const u_char *base; 972 uint32_t tmp; 973 int ntries, error; 974 const uint64_t *temp; 975 uint64_t bytes; 976 977 RUN_UNLOCK(sc); 978 fw = firmware_get("runfw"); 979 RUN_LOCK(sc); 980 if (fw == NULL) { 981 device_printf(sc->sc_dev, 982 "failed loadfirmware of file %s\n", "runfw"); 983 return ENOENT; 984 } 985 986 if (fw->datasize != 8192) { 987 device_printf(sc->sc_dev, 988 "invalid firmware size (should be 8KB)\n"); 989 error = EINVAL; 990 goto fail; 991 } 992 993 /* 994 * RT3071/RT3072 use a different firmware 995 * run-rt2870 (8KB) contains both, 996 * first half (4KB) is for rt2870, 997 * last half is for rt3071. 998 */ 999 base = fw->data; 1000 if ((sc->mac_ver) != 0x2860 && 1001 (sc->mac_ver) != 0x2872 && 1002 (sc->mac_ver) != 0x3070) { 1003 base += 4096; 1004 } 1005 1006 /* cheap sanity check */ 1007 temp = fw->data; 1008 bytes = *temp; 1009 if (bytes != be64toh(0xffffff0210280210)) { 1010 device_printf(sc->sc_dev, "firmware checksum failed\n"); 1011 error = EINVAL; 1012 goto fail; 1013 } 1014 1015 run_read(sc, RT2860_ASIC_VER_ID, &tmp); 1016 /* write microcode image */ 1017 run_write_region_1(sc, RT2870_FW_BASE, base, 4096); 1018 run_write(sc, RT2860_H2M_MAILBOX_CID, 0xffffffff); 1019 run_write(sc, RT2860_H2M_MAILBOX_STATUS, 0xffffffff); 1020 1021 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1022 req.bRequest = RT2870_RESET; 1023 USETW(req.wValue, 8); 1024 USETW(req.wIndex, 0); 1025 USETW(req.wLength, 0); 1026 if ((error = usbd_do_request(sc->sc_udev, &sc->sc_mtx, &req, NULL)) 1027 != 0) { 1028 device_printf(sc->sc_dev, "firmware reset failed\n"); 1029 goto fail; 1030 } 1031 1032 run_delay(sc, 10); 1033 1034 run_write(sc, RT2860_H2M_MAILBOX, 0); 1035 if ((error = run_mcu_cmd(sc, RT2860_MCU_CMD_RFRESET, 0)) != 0) 1036 goto fail; 1037 1038 /* wait until microcontroller is ready */ 1039 for (ntries = 0; ntries < 1000; ntries++) { 1040 if ((error = run_read(sc, RT2860_SYS_CTRL, &tmp)) != 0) { 1041 goto fail; 1042 } 1043 if (tmp & RT2860_MCU_READY) 1044 break; 1045 run_delay(sc, 10); 1046 } 1047 if (ntries == 1000) { 1048 device_printf(sc->sc_dev, 1049 "timeout waiting for MCU to initialize\n"); 1050 error = ETIMEDOUT; 1051 goto fail; 1052 } 1053 device_printf(sc->sc_dev, "firmware %s loaded\n", 1054 (base == fw->data) ? "RT2870" : "RT3071"); 1055 1056 fail: 1057 firmware_put(fw, FIRMWARE_UNLOAD); 1058 return (error); 1059 } 1060 1061 int 1062 run_reset(struct run_softc *sc) 1063 { 1064 usb_device_request_t req; 1065 1066 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1067 req.bRequest = RT2870_RESET; 1068 USETW(req.wValue, 1); 1069 USETW(req.wIndex, 0); 1070 USETW(req.wLength, 0); 1071 return (usbd_do_request(sc->sc_udev, &sc->sc_mtx, &req, NULL)); 1072 } 1073 1074 static usb_error_t 1075 run_do_request(struct run_softc *sc, 1076 struct usb_device_request *req, void *data) 1077 { 1078 usb_error_t err; 1079 int ntries = 10; 1080 1081 RUN_LOCK_ASSERT(sc, MA_OWNED); 1082 1083 while (ntries--) { 1084 err = usbd_do_request_flags(sc->sc_udev, &sc->sc_mtx, 1085 req, data, 0, NULL, 250 /* ms */); 1086 if (err == 0) 1087 break; 1088 DPRINTFN(1, "Control request failed, %s (retrying)\n", 1089 usbd_errstr(err)); 1090 run_delay(sc, 10); 1091 } 1092 return (err); 1093 } 1094 1095 static int 1096 run_read(struct run_softc *sc, uint16_t reg, uint32_t *val) 1097 { 1098 uint32_t tmp; 1099 int error; 1100 1101 error = run_read_region_1(sc, reg, (uint8_t *)&tmp, sizeof tmp); 1102 if (error == 0) 1103 *val = le32toh(tmp); 1104 else 1105 *val = 0xffffffff; 1106 return (error); 1107 } 1108 1109 static int 1110 run_read_region_1(struct run_softc *sc, uint16_t reg, uint8_t *buf, int len) 1111 { 1112 usb_device_request_t req; 1113 1114 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1115 req.bRequest = RT2870_READ_REGION_1; 1116 USETW(req.wValue, 0); 1117 USETW(req.wIndex, reg); 1118 USETW(req.wLength, len); 1119 1120 return (run_do_request(sc, &req, buf)); 1121 } 1122 1123 static int 1124 run_write_2(struct run_softc *sc, uint16_t reg, uint16_t val) 1125 { 1126 usb_device_request_t req; 1127 1128 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1129 req.bRequest = RT2870_WRITE_2; 1130 USETW(req.wValue, val); 1131 USETW(req.wIndex, reg); 1132 USETW(req.wLength, 0); 1133 1134 return (run_do_request(sc, &req, NULL)); 1135 } 1136 1137 static int 1138 run_write(struct run_softc *sc, uint16_t reg, uint32_t val) 1139 { 1140 int error; 1141 1142 if ((error = run_write_2(sc, reg, val & 0xffff)) == 0) 1143 error = run_write_2(sc, reg + 2, val >> 16); 1144 return (error); 1145 } 1146 1147 static int 1148 run_write_region_1(struct run_softc *sc, uint16_t reg, const uint8_t *buf, 1149 int len) 1150 { 1151 #if 1 1152 int i, error = 0; 1153 /* 1154 * NB: the WRITE_REGION_1 command is not stable on RT2860. 1155 * We thus issue multiple WRITE_2 commands instead. 1156 */ 1157 KASSERT((len & 1) == 0, ("run_write_region_1: Data too long.\n")); 1158 for (i = 0; i < len && error == 0; i += 2) 1159 error = run_write_2(sc, reg + i, buf[i] | buf[i + 1] << 8); 1160 return (error); 1161 #else 1162 usb_device_request_t req; 1163 1164 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 1165 req.bRequest = RT2870_WRITE_REGION_1; 1166 USETW(req.wValue, 0); 1167 USETW(req.wIndex, reg); 1168 USETW(req.wLength, len); 1169 return (run_do_request(sc, &req, buf)); 1170 #endif 1171 } 1172 1173 static int 1174 run_set_region_4(struct run_softc *sc, uint16_t reg, uint32_t val, int len) 1175 { 1176 int i, error = 0; 1177 1178 KASSERT((len & 3) == 0, ("run_set_region_4: Invalid data length.\n")); 1179 for (i = 0; i < len && error == 0; i += 4) 1180 error = run_write(sc, reg + i, val); 1181 return (error); 1182 } 1183 1184 /* Read 16-bit from eFUSE ROM (RT3070 only.) */ 1185 static int 1186 run_efuse_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val) 1187 { 1188 uint32_t tmp; 1189 uint16_t reg; 1190 int error, ntries; 1191 1192 if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0) 1193 return (error); 1194 1195 addr *= 2; 1196 /*- 1197 * Read one 16-byte block into registers EFUSE_DATA[0-3]: 1198 * DATA0: F E D C 1199 * DATA1: B A 9 8 1200 * DATA2: 7 6 5 4 1201 * DATA3: 3 2 1 0 1202 */ 1203 tmp &= ~(RT3070_EFSROM_MODE_MASK | RT3070_EFSROM_AIN_MASK); 1204 tmp |= (addr & ~0xf) << RT3070_EFSROM_AIN_SHIFT | RT3070_EFSROM_KICK; 1205 run_write(sc, RT3070_EFUSE_CTRL, tmp); 1206 for (ntries = 0; ntries < 100; ntries++) { 1207 if ((error = run_read(sc, RT3070_EFUSE_CTRL, &tmp)) != 0) 1208 return (error); 1209 if (!(tmp & RT3070_EFSROM_KICK)) 1210 break; 1211 run_delay(sc, 2); 1212 } 1213 if (ntries == 100) 1214 return (ETIMEDOUT); 1215 1216 if ((tmp & RT3070_EFUSE_AOUT_MASK) == RT3070_EFUSE_AOUT_MASK) { 1217 *val = 0xffff; /* address not found */ 1218 return (0); 1219 } 1220 /* determine to which 32-bit register our 16-bit word belongs */ 1221 reg = RT3070_EFUSE_DATA3 - (addr & 0xc); 1222 if ((error = run_read(sc, reg, &tmp)) != 0) 1223 return (error); 1224 1225 *val = (addr & 2) ? tmp >> 16 : tmp & 0xffff; 1226 return (0); 1227 } 1228 1229 static int 1230 run_eeprom_read_2(struct run_softc *sc, uint16_t addr, uint16_t *val) 1231 { 1232 usb_device_request_t req; 1233 uint16_t tmp; 1234 int error; 1235 1236 addr *= 2; 1237 req.bmRequestType = UT_READ_VENDOR_DEVICE; 1238 req.bRequest = RT2870_EEPROM_READ; 1239 USETW(req.wValue, 0); 1240 USETW(req.wIndex, addr); 1241 USETW(req.wLength, sizeof tmp); 1242 1243 error = usbd_do_request(sc->sc_udev, &sc->sc_mtx, &req, &tmp); 1244 if (error == 0) 1245 *val = le16toh(tmp); 1246 else 1247 *val = 0xffff; 1248 return (error); 1249 } 1250 1251 static __inline int 1252 run_srom_read(struct run_softc *sc, uint16_t addr, uint16_t *val) 1253 { 1254 /* either eFUSE ROM or EEPROM */ 1255 return sc->sc_srom_read(sc, addr, val); 1256 } 1257 1258 static int 1259 run_rt2870_rf_write(struct run_softc *sc, uint8_t reg, uint32_t val) 1260 { 1261 uint32_t tmp; 1262 int error, ntries; 1263 1264 for (ntries = 0; ntries < 10; ntries++) { 1265 if ((error = run_read(sc, RT2860_RF_CSR_CFG0, &tmp)) != 0) 1266 return (error); 1267 if (!(tmp & RT2860_RF_REG_CTRL)) 1268 break; 1269 } 1270 if (ntries == 10) 1271 return (ETIMEDOUT); 1272 1273 /* RF registers are 24-bit on the RT2860 */ 1274 tmp = RT2860_RF_REG_CTRL | 24 << RT2860_RF_REG_WIDTH_SHIFT | 1275 (val & 0x3fffff) << 2 | (reg & 3); 1276 return (run_write(sc, RT2860_RF_CSR_CFG0, tmp)); 1277 } 1278 1279 static int 1280 run_rt3070_rf_read(struct run_softc *sc, uint8_t reg, uint8_t *val) 1281 { 1282 uint32_t tmp; 1283 int error, ntries; 1284 1285 for (ntries = 0; ntries < 100; ntries++) { 1286 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0) 1287 return (error); 1288 if (!(tmp & RT3070_RF_KICK)) 1289 break; 1290 } 1291 if (ntries == 100) 1292 return (ETIMEDOUT); 1293 1294 tmp = RT3070_RF_KICK | reg << 8; 1295 if ((error = run_write(sc, RT3070_RF_CSR_CFG, tmp)) != 0) 1296 return (error); 1297 1298 for (ntries = 0; ntries < 100; ntries++) { 1299 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0) 1300 return (error); 1301 if (!(tmp & RT3070_RF_KICK)) 1302 break; 1303 } 1304 if (ntries == 100) 1305 return (ETIMEDOUT); 1306 1307 *val = tmp & 0xff; 1308 return (0); 1309 } 1310 1311 static int 1312 run_rt3070_rf_write(struct run_softc *sc, uint8_t reg, uint8_t val) 1313 { 1314 uint32_t tmp; 1315 int error, ntries; 1316 1317 for (ntries = 0; ntries < 10; ntries++) { 1318 if ((error = run_read(sc, RT3070_RF_CSR_CFG, &tmp)) != 0) 1319 return (error); 1320 if (!(tmp & RT3070_RF_KICK)) 1321 break; 1322 } 1323 if (ntries == 10) 1324 return (ETIMEDOUT); 1325 1326 tmp = RT3070_RF_WRITE | RT3070_RF_KICK | reg << 8 | val; 1327 return (run_write(sc, RT3070_RF_CSR_CFG, tmp)); 1328 } 1329 1330 static int 1331 run_bbp_read(struct run_softc *sc, uint8_t reg, uint8_t *val) 1332 { 1333 uint32_t tmp; 1334 int ntries, error; 1335 1336 for (ntries = 0; ntries < 10; ntries++) { 1337 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0) 1338 return (error); 1339 if (!(tmp & RT2860_BBP_CSR_KICK)) 1340 break; 1341 } 1342 if (ntries == 10) 1343 return (ETIMEDOUT); 1344 1345 tmp = RT2860_BBP_CSR_READ | RT2860_BBP_CSR_KICK | reg << 8; 1346 if ((error = run_write(sc, RT2860_BBP_CSR_CFG, tmp)) != 0) 1347 return (error); 1348 1349 for (ntries = 0; ntries < 10; ntries++) { 1350 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0) 1351 return (error); 1352 if (!(tmp & RT2860_BBP_CSR_KICK)) 1353 break; 1354 } 1355 if (ntries == 10) 1356 return (ETIMEDOUT); 1357 1358 *val = tmp & 0xff; 1359 return (0); 1360 } 1361 1362 static int 1363 run_bbp_write(struct run_softc *sc, uint8_t reg, uint8_t val) 1364 { 1365 uint32_t tmp; 1366 int ntries, error; 1367 1368 for (ntries = 0; ntries < 10; ntries++) { 1369 if ((error = run_read(sc, RT2860_BBP_CSR_CFG, &tmp)) != 0) 1370 return (error); 1371 if (!(tmp & RT2860_BBP_CSR_KICK)) 1372 break; 1373 } 1374 if (ntries == 10) 1375 return (ETIMEDOUT); 1376 1377 tmp = RT2860_BBP_CSR_KICK | reg << 8 | val; 1378 return (run_write(sc, RT2860_BBP_CSR_CFG, tmp)); 1379 } 1380 1381 /* 1382 * Send a command to the 8051 microcontroller unit. 1383 */ 1384 static int 1385 run_mcu_cmd(struct run_softc *sc, uint8_t cmd, uint16_t arg) 1386 { 1387 uint32_t tmp; 1388 int error, ntries; 1389 1390 for (ntries = 0; ntries < 100; ntries++) { 1391 if ((error = run_read(sc, RT2860_H2M_MAILBOX, &tmp)) != 0) 1392 return error; 1393 if (!(tmp & RT2860_H2M_BUSY)) 1394 break; 1395 } 1396 if (ntries == 100) 1397 return ETIMEDOUT; 1398 1399 tmp = RT2860_H2M_BUSY | RT2860_TOKEN_NO_INTR << 16 | arg; 1400 if ((error = run_write(sc, RT2860_H2M_MAILBOX, tmp)) == 0) 1401 error = run_write(sc, RT2860_HOST_CMD, cmd); 1402 return (error); 1403 } 1404 1405 /* 1406 * Add `delta' (signed) to each 4-bit sub-word of a 32-bit word. 1407 * Used to adjust per-rate Tx power registers. 1408 */ 1409 static __inline uint32_t 1410 b4inc(uint32_t b32, int8_t delta) 1411 { 1412 int8_t i, b4; 1413 1414 for (i = 0; i < 8; i++) { 1415 b4 = b32 & 0xf; 1416 b4 += delta; 1417 if (b4 < 0) 1418 b4 = 0; 1419 else if (b4 > 0xf) 1420 b4 = 0xf; 1421 b32 = b32 >> 4 | b4 << 28; 1422 } 1423 return (b32); 1424 } 1425 1426 static const char * 1427 run_get_rf(int rev) 1428 { 1429 switch (rev) { 1430 case RT2860_RF_2820: return "RT2820"; 1431 case RT2860_RF_2850: return "RT2850"; 1432 case RT2860_RF_2720: return "RT2720"; 1433 case RT2860_RF_2750: return "RT2750"; 1434 case RT3070_RF_3020: return "RT3020"; 1435 case RT3070_RF_2020: return "RT2020"; 1436 case RT3070_RF_3021: return "RT3021"; 1437 case RT3070_RF_3022: return "RT3022"; 1438 case RT3070_RF_3052: return "RT3052"; 1439 } 1440 return ("unknown"); 1441 } 1442 1443 int 1444 run_read_eeprom(struct run_softc *sc) 1445 { 1446 int8_t delta_2ghz, delta_5ghz; 1447 uint32_t tmp; 1448 uint16_t val; 1449 int ridx, ant, i; 1450 1451 /* check whether the ROM is eFUSE ROM or EEPROM */ 1452 sc->sc_srom_read = run_eeprom_read_2; 1453 if (sc->mac_ver >= 0x3070) { 1454 run_read(sc, RT3070_EFUSE_CTRL, &tmp); 1455 DPRINTF("EFUSE_CTRL=0x%08x\n", tmp); 1456 if (tmp & RT3070_SEL_EFUSE) 1457 sc->sc_srom_read = run_efuse_read_2; 1458 } 1459 1460 /* read ROM version */ 1461 run_srom_read(sc, RT2860_EEPROM_VERSION, &val); 1462 DPRINTF("EEPROM rev=%d, FAE=%d\n", val & 0xff, val >> 8); 1463 1464 /* read MAC address */ 1465 run_srom_read(sc, RT2860_EEPROM_MAC01, &val); 1466 sc->sc_bssid[0] = val & 0xff; 1467 sc->sc_bssid[1] = val >> 8; 1468 run_srom_read(sc, RT2860_EEPROM_MAC23, &val); 1469 sc->sc_bssid[2] = val & 0xff; 1470 sc->sc_bssid[3] = val >> 8; 1471 run_srom_read(sc, RT2860_EEPROM_MAC45, &val); 1472 sc->sc_bssid[4] = val & 0xff; 1473 sc->sc_bssid[5] = val >> 8; 1474 1475 /* read vender BBP settings */ 1476 for (i = 0; i < 10; i++) { 1477 run_srom_read(sc, RT2860_EEPROM_BBP_BASE + i, &val); 1478 sc->bbp[i].val = val & 0xff; 1479 sc->bbp[i].reg = val >> 8; 1480 DPRINTF("BBP%d=0x%02x\n", sc->bbp[i].reg, sc->bbp[i].val); 1481 } 1482 if (sc->mac_ver >= 0x3071) { 1483 /* read vendor RF settings */ 1484 for (i = 0; i < 10; i++) { 1485 run_srom_read(sc, RT3071_EEPROM_RF_BASE + i, &val); 1486 sc->rf[i].val = val & 0xff; 1487 sc->rf[i].reg = val >> 8; 1488 DPRINTF("RF%d=0x%02x\n", sc->rf[i].reg, 1489 sc->rf[i].val); 1490 } 1491 } 1492 1493 /* read RF frequency offset from EEPROM */ 1494 run_srom_read(sc, RT2860_EEPROM_FREQ_LEDS, &val); 1495 sc->freq = ((val & 0xff) != 0xff) ? val & 0xff : 0; 1496 DPRINTF("EEPROM freq offset %d\n", sc->freq & 0xff); 1497 1498 if (val >> 8 != 0xff) { 1499 /* read LEDs operating mode */ 1500 sc->leds = val >> 8; 1501 run_srom_read(sc, RT2860_EEPROM_LED1, &sc->led[0]); 1502 run_srom_read(sc, RT2860_EEPROM_LED2, &sc->led[1]); 1503 run_srom_read(sc, RT2860_EEPROM_LED3, &sc->led[2]); 1504 } else { 1505 /* broken EEPROM, use default settings */ 1506 sc->leds = 0x01; 1507 sc->led[0] = 0x5555; 1508 sc->led[1] = 0x2221; 1509 sc->led[2] = 0x5627; /* differs from RT2860 */ 1510 } 1511 DPRINTF("EEPROM LED mode=0x%02x, LEDs=0x%04x/0x%04x/0x%04x\n", 1512 sc->leds, sc->led[0], sc->led[1], sc->led[2]); 1513 1514 /* read RF information */ 1515 run_srom_read(sc, RT2860_EEPROM_ANTENNA, &val); 1516 if (val == 0xffff) { 1517 DPRINTF("invalid EEPROM antenna info, using default\n"); 1518 if (sc->mac_ver == 0x3572) { 1519 /* default to RF3052 2T2R */ 1520 sc->rf_rev = RT3070_RF_3052; 1521 sc->ntxchains = 2; 1522 sc->nrxchains = 2; 1523 } else if (sc->mac_ver >= 0x3070) { 1524 /* default to RF3020 1T1R */ 1525 sc->rf_rev = RT3070_RF_3020; 1526 sc->ntxchains = 1; 1527 sc->nrxchains = 1; 1528 } else { 1529 /* default to RF2820 1T2R */ 1530 sc->rf_rev = RT2860_RF_2820; 1531 sc->ntxchains = 1; 1532 sc->nrxchains = 2; 1533 } 1534 } else { 1535 sc->rf_rev = (val >> 8) & 0xf; 1536 sc->ntxchains = (val >> 4) & 0xf; 1537 sc->nrxchains = val & 0xf; 1538 } 1539 DPRINTF("EEPROM RF rev=0x%02x chains=%dT%dR\n", 1540 sc->rf_rev, sc->ntxchains, sc->nrxchains); 1541 1542 /* check if RF supports automatic Tx access gain control */ 1543 run_srom_read(sc, RT2860_EEPROM_CONFIG, &val); 1544 DPRINTF("EEPROM CFG 0x%04x\n", val); 1545 /* check if driver should patch the DAC issue */ 1546 if ((val >> 8) != 0xff) 1547 sc->patch_dac = (val >> 15) & 1; 1548 if ((val & 0xff) != 0xff) { 1549 sc->ext_5ghz_lna = (val >> 3) & 1; 1550 sc->ext_2ghz_lna = (val >> 2) & 1; 1551 /* check if RF supports automatic Tx access gain control */ 1552 sc->calib_2ghz = sc->calib_5ghz = (val >> 1) & 1; 1553 /* check if we have a hardware radio switch */ 1554 sc->rfswitch = val & 1; 1555 } 1556 1557 /* read power settings for 2GHz channels */ 1558 for (i = 0; i < 14; i += 2) { 1559 run_srom_read(sc, RT2860_EEPROM_PWR2GHZ_BASE1 + i / 2, &val); 1560 sc->txpow1[i + 0] = (int8_t)(val & 0xff); 1561 sc->txpow1[i + 1] = (int8_t)(val >> 8); 1562 1563 run_srom_read(sc, RT2860_EEPROM_PWR2GHZ_BASE2 + i / 2, &val); 1564 sc->txpow2[i + 0] = (int8_t)(val & 0xff); 1565 sc->txpow2[i + 1] = (int8_t)(val >> 8); 1566 } 1567 /* fix broken Tx power entries */ 1568 for (i = 0; i < 14; i++) { 1569 if (sc->txpow1[i] < 0 || sc->txpow1[i] > 31) 1570 sc->txpow1[i] = 5; 1571 if (sc->txpow2[i] < 0 || sc->txpow2[i] > 31) 1572 sc->txpow2[i] = 5; 1573 DPRINTF("chan %d: power1=%d, power2=%d\n", 1574 rt2860_rf2850[i].chan, sc->txpow1[i], sc->txpow2[i]); 1575 } 1576 /* read power settings for 5GHz channels */ 1577 for (i = 0; i < 40; i += 2) { 1578 run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE1 + i / 2, &val); 1579 sc->txpow1[i + 14] = (int8_t)(val & 0xff); 1580 sc->txpow1[i + 15] = (int8_t)(val >> 8); 1581 1582 run_srom_read(sc, RT2860_EEPROM_PWR5GHZ_BASE2 + i / 2, &val); 1583 sc->txpow2[i + 14] = (int8_t)(val & 0xff); 1584 sc->txpow2[i + 15] = (int8_t)(val >> 8); 1585 } 1586 /* fix broken Tx power entries */ 1587 for (i = 0; i < 40; i++) { 1588 if (sc->txpow1[14 + i] < -7 || sc->txpow1[14 + i] > 15) 1589 sc->txpow1[14 + i] = 5; 1590 if (sc->txpow2[14 + i] < -7 || sc->txpow2[14 + i] > 15) 1591 sc->txpow2[14 + i] = 5; 1592 DPRINTF("chan %d: power1=%d, power2=%d\n", 1593 rt2860_rf2850[14 + i].chan, sc->txpow1[14 + i], 1594 sc->txpow2[14 + i]); 1595 } 1596 1597 /* read Tx power compensation for each Tx rate */ 1598 run_srom_read(sc, RT2860_EEPROM_DELTAPWR, &val); 1599 delta_2ghz = delta_5ghz = 0; 1600 if ((val & 0xff) != 0xff && (val & 0x80)) { 1601 delta_2ghz = val & 0xf; 1602 if (!(val & 0x40)) /* negative number */ 1603 delta_2ghz = -delta_2ghz; 1604 } 1605 val >>= 8; 1606 if ((val & 0xff) != 0xff && (val & 0x80)) { 1607 delta_5ghz = val & 0xf; 1608 if (!(val & 0x40)) /* negative number */ 1609 delta_5ghz = -delta_5ghz; 1610 } 1611 DPRINTF("power compensation=%d (2GHz), %d (5GHz)\n", 1612 delta_2ghz, delta_5ghz); 1613 1614 for (ridx = 0; ridx < 5; ridx++) { 1615 uint32_t reg; 1616 1617 run_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2, &val); 1618 reg = val; 1619 run_srom_read(sc, RT2860_EEPROM_RPWR + ridx * 2 + 1, &val); 1620 reg |= (uint32_t)val << 16; 1621 1622 sc->txpow20mhz[ridx] = reg; 1623 sc->txpow40mhz_2ghz[ridx] = b4inc(reg, delta_2ghz); 1624 sc->txpow40mhz_5ghz[ridx] = b4inc(reg, delta_5ghz); 1625 1626 DPRINTF("ridx %d: power 20MHz=0x%08x, 40MHz/2GHz=0x%08x, " 1627 "40MHz/5GHz=0x%08x\n", ridx, sc->txpow20mhz[ridx], 1628 sc->txpow40mhz_2ghz[ridx], sc->txpow40mhz_5ghz[ridx]); 1629 } 1630 1631 /* read RSSI offsets and LNA gains from EEPROM */ 1632 run_srom_read(sc, RT2860_EEPROM_RSSI1_2GHZ, &val); 1633 sc->rssi_2ghz[0] = val & 0xff; /* Ant A */ 1634 sc->rssi_2ghz[1] = val >> 8; /* Ant B */ 1635 run_srom_read(sc, RT2860_EEPROM_RSSI2_2GHZ, &val); 1636 if (sc->mac_ver >= 0x3070) { 1637 /* 1638 * On RT3070 chips (limited to 2 Rx chains), this ROM 1639 * field contains the Tx mixer gain for the 2GHz band. 1640 */ 1641 if ((val & 0xff) != 0xff) 1642 sc->txmixgain_2ghz = val & 0x7; 1643 DPRINTF("tx mixer gain=%u (2GHz)\n", sc->txmixgain_2ghz); 1644 } else 1645 sc->rssi_2ghz[2] = val & 0xff; /* Ant C */ 1646 sc->lna[2] = val >> 8; /* channel group 2 */ 1647 1648 run_srom_read(sc, RT2860_EEPROM_RSSI1_5GHZ, &val); 1649 sc->rssi_5ghz[0] = val & 0xff; /* Ant A */ 1650 sc->rssi_5ghz[1] = val >> 8; /* Ant B */ 1651 run_srom_read(sc, RT2860_EEPROM_RSSI2_5GHZ, &val); 1652 if (sc->mac_ver == 0x3572) { 1653 /* 1654 * On RT3572 chips (limited to 2 Rx chains), this ROM 1655 * field contains the Tx mixer gain for the 5GHz band. 1656 */ 1657 if ((val & 0xff) != 0xff) 1658 sc->txmixgain_5ghz = val & 0x7; 1659 DPRINTF("tx mixer gain=%u (5GHz)\n", sc->txmixgain_5ghz); 1660 } else 1661 sc->rssi_5ghz[2] = val & 0xff; /* Ant C */ 1662 sc->lna[3] = val >> 8; /* channel group 3 */ 1663 1664 run_srom_read(sc, RT2860_EEPROM_LNA, &val); 1665 sc->lna[0] = val & 0xff; /* channel group 0 */ 1666 sc->lna[1] = val >> 8; /* channel group 1 */ 1667 1668 /* fix broken 5GHz LNA entries */ 1669 if (sc->lna[2] == 0 || sc->lna[2] == 0xff) { 1670 DPRINTF("invalid LNA for channel group %d\n", 2); 1671 sc->lna[2] = sc->lna[1]; 1672 } 1673 if (sc->lna[3] == 0 || sc->lna[3] == 0xff) { 1674 DPRINTF("invalid LNA for channel group %d\n", 3); 1675 sc->lna[3] = sc->lna[1]; 1676 } 1677 1678 /* fix broken RSSI offset entries */ 1679 for (ant = 0; ant < 3; ant++) { 1680 if (sc->rssi_2ghz[ant] < -10 || sc->rssi_2ghz[ant] > 10) { 1681 DPRINTF("invalid RSSI%d offset: %d (2GHz)\n", 1682 ant + 1, sc->rssi_2ghz[ant]); 1683 sc->rssi_2ghz[ant] = 0; 1684 } 1685 if (sc->rssi_5ghz[ant] < -10 || sc->rssi_5ghz[ant] > 10) { 1686 DPRINTF("invalid RSSI%d offset: %d (5GHz)\n", 1687 ant + 1, sc->rssi_5ghz[ant]); 1688 sc->rssi_5ghz[ant] = 0; 1689 } 1690 } 1691 return (0); 1692 } 1693 1694 static struct ieee80211_node * 1695 run_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN]) 1696 { 1697 return malloc(sizeof (struct run_node), M_DEVBUF, M_NOWAIT | M_ZERO); 1698 } 1699 1700 static int 1701 run_media_change(struct ifnet *ifp) 1702 { 1703 struct ieee80211vap *vap = ifp->if_softc; 1704 struct ieee80211com *ic = vap->iv_ic; 1705 const struct ieee80211_txparam *tp; 1706 struct run_softc *sc = ic->ic_ifp->if_softc; 1707 uint8_t rate, ridx; 1708 int error; 1709 1710 RUN_LOCK(sc); 1711 1712 error = ieee80211_media_change(ifp); 1713 if (error != ENETRESET) { 1714 RUN_UNLOCK(sc); 1715 return (error); 1716 } 1717 1718 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 1719 if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) { 1720 struct ieee80211_node *ni; 1721 struct run_node *rn; 1722 1723 rate = ic->ic_sup_rates[ic->ic_curmode]. 1724 rs_rates[tp->ucastrate] & IEEE80211_RATE_VAL; 1725 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++) 1726 if (rt2860_rates[ridx].rate == rate) 1727 break; 1728 ni = ieee80211_ref_node(vap->iv_bss); 1729 rn = (struct run_node *)ni; 1730 rn->fix_ridx = ridx; 1731 DPRINTF("rate=%d, fix_ridx=%d\n", rate, rn->fix_ridx); 1732 ieee80211_free_node(ni); 1733 } 1734 1735 #if 0 1736 if ((ifp->if_flags & IFF_UP) && 1737 (ifp->if_drv_flags & IFF_DRV_RUNNING)){ 1738 run_init_locked(sc); 1739 } 1740 #endif 1741 1742 RUN_UNLOCK(sc); 1743 1744 return (0); 1745 } 1746 1747 static int 1748 run_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1749 { 1750 const struct ieee80211_txparam *tp; 1751 struct ieee80211com *ic = vap->iv_ic; 1752 struct run_softc *sc = ic->ic_ifp->if_softc; 1753 struct run_vap *rvp = RUN_VAP(vap); 1754 enum ieee80211_state ostate; 1755 uint32_t sta[3]; 1756 uint32_t tmp; 1757 uint8_t ratectl; 1758 uint8_t restart_ratectl = 0; 1759 uint8_t bid = 1 << rvp->rvp_id; 1760 1761 ostate = vap->iv_state; 1762 DPRINTF("%s -> %s\n", 1763 ieee80211_state_name[ostate], 1764 ieee80211_state_name[nstate]); 1765 1766 IEEE80211_UNLOCK(ic); 1767 RUN_LOCK(sc); 1768 1769 ratectl = sc->ratectl_run; /* remember current state */ 1770 sc->ratectl_run = RUN_RATECTL_OFF; 1771 usb_callout_stop(&sc->ratectl_ch); 1772 1773 if (ostate == IEEE80211_S_RUN) { 1774 /* turn link LED off */ 1775 run_set_leds(sc, RT2860_LED_RADIO); 1776 } 1777 1778 switch (nstate) { 1779 case IEEE80211_S_INIT: 1780 restart_ratectl = 1; 1781 1782 if (ostate != IEEE80211_S_RUN) 1783 break; 1784 1785 ratectl &= ~bid; 1786 sc->runbmap &= ~bid; 1787 1788 /* abort TSF synchronization if there is no vap running */ 1789 if (--sc->running == 0) { 1790 run_read(sc, RT2860_BCN_TIME_CFG, &tmp); 1791 run_write(sc, RT2860_BCN_TIME_CFG, 1792 tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN | 1793 RT2860_TBTT_TIMER_EN)); 1794 } 1795 break; 1796 1797 case IEEE80211_S_RUN: 1798 if (!(sc->runbmap & bid)) { 1799 if(sc->running++) 1800 restart_ratectl = 1; 1801 sc->runbmap |= bid; 1802 } 1803 1804 m_freem(rvp->beacon_mbuf); 1805 rvp->beacon_mbuf = NULL; 1806 1807 switch (vap->iv_opmode) { 1808 case IEEE80211_M_HOSTAP: 1809 case IEEE80211_M_MBSS: 1810 sc->ap_running |= bid; 1811 ic->ic_opmode = vap->iv_opmode; 1812 run_update_beacon_cb(vap); 1813 break; 1814 case IEEE80211_M_IBSS: 1815 sc->adhoc_running |= bid; 1816 if (!sc->ap_running) 1817 ic->ic_opmode = vap->iv_opmode; 1818 run_update_beacon_cb(vap); 1819 break; 1820 case IEEE80211_M_STA: 1821 sc->sta_running |= bid; 1822 if (!sc->ap_running && !sc->adhoc_running) 1823 ic->ic_opmode = vap->iv_opmode; 1824 1825 /* read statistic counters (clear on read) */ 1826 run_read_region_1(sc, RT2860_TX_STA_CNT0, 1827 (uint8_t *)sta, sizeof sta); 1828 1829 break; 1830 default: 1831 ic->ic_opmode = vap->iv_opmode; 1832 break; 1833 } 1834 1835 if (vap->iv_opmode != IEEE80211_M_MONITOR) { 1836 struct ieee80211_node *ni; 1837 1838 run_updateslot(ic->ic_ifp); 1839 run_enable_mrr(sc); 1840 run_set_txpreamble(sc); 1841 run_set_basicrates(sc); 1842 ni = ieee80211_ref_node(vap->iv_bss); 1843 IEEE80211_ADDR_COPY(sc->sc_bssid, ni->ni_bssid); 1844 run_set_bssid(sc, ni->ni_bssid); 1845 ieee80211_free_node(ni); 1846 run_enable_tsf_sync(sc); 1847 1848 /* enable automatic rate adaptation */ 1849 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 1850 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) 1851 ratectl |= bid; 1852 } 1853 1854 /* turn link LED on */ 1855 run_set_leds(sc, RT2860_LED_RADIO | 1856 (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan) ? 1857 RT2860_LED_LINK_2GHZ : RT2860_LED_LINK_5GHZ)); 1858 1859 break; 1860 default: 1861 DPRINTFN(6, "undefined case\n"); 1862 break; 1863 } 1864 1865 /* restart amrr for running VAPs */ 1866 if ((sc->ratectl_run = ratectl) && restart_ratectl) 1867 usb_callout_reset(&sc->ratectl_ch, hz, run_ratectl_to, sc); 1868 1869 RUN_UNLOCK(sc); 1870 IEEE80211_LOCK(ic); 1871 1872 return(rvp->newstate(vap, nstate, arg)); 1873 } 1874 1875 /* ARGSUSED */ 1876 static void 1877 run_wme_update_cb(void *arg) 1878 { 1879 struct ieee80211com *ic = arg; 1880 struct run_softc *sc = ic->ic_ifp->if_softc; 1881 struct ieee80211_wme_state *wmesp = &ic->ic_wme; 1882 int aci, error = 0; 1883 1884 RUN_LOCK_ASSERT(sc, MA_OWNED); 1885 1886 /* update MAC TX configuration registers */ 1887 for (aci = 0; aci < WME_NUM_AC; aci++) { 1888 error = run_write(sc, RT2860_EDCA_AC_CFG(aci), 1889 wmesp->wme_params[aci].wmep_logcwmax << 16 | 1890 wmesp->wme_params[aci].wmep_logcwmin << 12 | 1891 wmesp->wme_params[aci].wmep_aifsn << 8 | 1892 wmesp->wme_params[aci].wmep_txopLimit); 1893 if (error) goto err; 1894 } 1895 1896 /* update SCH/DMA registers too */ 1897 error = run_write(sc, RT2860_WMM_AIFSN_CFG, 1898 wmesp->wme_params[WME_AC_VO].wmep_aifsn << 12 | 1899 wmesp->wme_params[WME_AC_VI].wmep_aifsn << 8 | 1900 wmesp->wme_params[WME_AC_BK].wmep_aifsn << 4 | 1901 wmesp->wme_params[WME_AC_BE].wmep_aifsn); 1902 if (error) goto err; 1903 error = run_write(sc, RT2860_WMM_CWMIN_CFG, 1904 wmesp->wme_params[WME_AC_VO].wmep_logcwmin << 12 | 1905 wmesp->wme_params[WME_AC_VI].wmep_logcwmin << 8 | 1906 wmesp->wme_params[WME_AC_BK].wmep_logcwmin << 4 | 1907 wmesp->wme_params[WME_AC_BE].wmep_logcwmin); 1908 if (error) goto err; 1909 error = run_write(sc, RT2860_WMM_CWMAX_CFG, 1910 wmesp->wme_params[WME_AC_VO].wmep_logcwmax << 12 | 1911 wmesp->wme_params[WME_AC_VI].wmep_logcwmax << 8 | 1912 wmesp->wme_params[WME_AC_BK].wmep_logcwmax << 4 | 1913 wmesp->wme_params[WME_AC_BE].wmep_logcwmax); 1914 if (error) goto err; 1915 error = run_write(sc, RT2860_WMM_TXOP0_CFG, 1916 wmesp->wme_params[WME_AC_BK].wmep_txopLimit << 16 | 1917 wmesp->wme_params[WME_AC_BE].wmep_txopLimit); 1918 if (error) goto err; 1919 error = run_write(sc, RT2860_WMM_TXOP1_CFG, 1920 wmesp->wme_params[WME_AC_VO].wmep_txopLimit << 16 | 1921 wmesp->wme_params[WME_AC_VI].wmep_txopLimit); 1922 1923 err: 1924 if (error) 1925 DPRINTF("WME update failed\n"); 1926 1927 return; 1928 } 1929 1930 static int 1931 run_wme_update(struct ieee80211com *ic) 1932 { 1933 struct run_softc *sc = ic->ic_ifp->if_softc; 1934 1935 /* sometime called wothout lock */ 1936 if (mtx_owned(&ic->ic_comlock.mtx)) { 1937 uint32_t i = RUN_CMDQ_GET(&sc->cmdq_store); 1938 DPRINTF("cmdq_store=%d\n", i); 1939 sc->cmdq[i].func = run_wme_update_cb; 1940 sc->cmdq[i].arg0 = ic; 1941 ieee80211_runtask(ic, &sc->cmdq_task); 1942 return (0); 1943 } 1944 1945 RUN_LOCK(sc); 1946 run_wme_update_cb(ic); 1947 RUN_UNLOCK(sc); 1948 1949 /* return whatever, upper layer desn't care anyway */ 1950 return (0); 1951 } 1952 1953 static void 1954 run_key_update_begin(struct ieee80211vap *vap) 1955 { 1956 /* 1957 * To avoid out-of-order events, both run_key_set() and 1958 * _delete() are deferred and handled by run_cmdq_cb(). 1959 * So, there is nothing we need to do here. 1960 */ 1961 } 1962 1963 static void 1964 run_key_update_end(struct ieee80211vap *vap) 1965 { 1966 /* null */ 1967 } 1968 1969 static void 1970 run_key_set_cb(void *arg) 1971 { 1972 struct run_cmdq *cmdq = arg; 1973 struct ieee80211vap *vap = cmdq->arg1; 1974 struct ieee80211_key *k = cmdq->k; 1975 struct ieee80211com *ic = vap->iv_ic; 1976 struct run_softc *sc = ic->ic_ifp->if_softc; 1977 struct ieee80211_node *ni; 1978 uint32_t attr; 1979 uint16_t base, associd; 1980 uint8_t mode, wcid, iv[8]; 1981 1982 RUN_LOCK_ASSERT(sc, MA_OWNED); 1983 1984 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1985 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, cmdq->mac); 1986 else 1987 ni = vap->iv_bss; 1988 associd = (ni != NULL) ? ni->ni_associd : 0; 1989 1990 /* map net80211 cipher to RT2860 security mode */ 1991 switch (k->wk_cipher->ic_cipher) { 1992 case IEEE80211_CIPHER_WEP: 1993 if(k->wk_keylen < 8) 1994 mode = RT2860_MODE_WEP40; 1995 else 1996 mode = RT2860_MODE_WEP104; 1997 break; 1998 case IEEE80211_CIPHER_TKIP: 1999 mode = RT2860_MODE_TKIP; 2000 break; 2001 case IEEE80211_CIPHER_AES_CCM: 2002 mode = RT2860_MODE_AES_CCMP; 2003 break; 2004 default: 2005 DPRINTF("undefined case\n"); 2006 return; 2007 } 2008 2009 DPRINTFN(1, "associd=%x, keyix=%d, mode=%x, type=%s, tx=%s, rx=%s\n", 2010 associd, k->wk_keyix, mode, 2011 (k->wk_flags & IEEE80211_KEY_GROUP) ? "group" : "pairwise", 2012 (k->wk_flags & IEEE80211_KEY_XMIT) ? "on" : "off", 2013 (k->wk_flags & IEEE80211_KEY_RECV) ? "on" : "off"); 2014 2015 if (k->wk_flags & IEEE80211_KEY_GROUP) { 2016 wcid = 0; /* NB: update WCID0 for group keys */ 2017 base = RT2860_SKEY(RUN_VAP(vap)->rvp_id, k->wk_keyix); 2018 } else { 2019 wcid = RUN_AID2WCID(associd); 2020 base = RT2860_PKEY(wcid); 2021 } 2022 2023 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) { 2024 if(run_write_region_1(sc, base, k->wk_key, 16)) 2025 return; 2026 if(run_write_region_1(sc, base + 16, &k->wk_key[16], 8)) /* wk_txmic */ 2027 return; 2028 if(run_write_region_1(sc, base + 24, &k->wk_key[24], 8)) /* wk_rxmic */ 2029 return; 2030 } else { 2031 /* roundup len to 16-bit: XXX fix write_region_1() instead */ 2032 if(run_write_region_1(sc, base, k->wk_key, (k->wk_keylen + 1) & ~1)) 2033 return; 2034 } 2035 2036 if (!(k->wk_flags & IEEE80211_KEY_GROUP) || 2037 (k->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))) { 2038 /* set initial packet number in IV+EIV */ 2039 if (k->wk_cipher == IEEE80211_CIPHER_WEP) { 2040 memset(iv, 0, sizeof iv); 2041 iv[3] = vap->iv_def_txkey << 6; 2042 } else { 2043 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP) { 2044 iv[0] = k->wk_keytsc >> 8; 2045 iv[1] = (iv[0] | 0x20) & 0x7f; 2046 iv[2] = k->wk_keytsc; 2047 } else /* CCMP */ { 2048 iv[0] = k->wk_keytsc; 2049 iv[1] = k->wk_keytsc >> 8; 2050 iv[2] = 0; 2051 } 2052 iv[3] = k->wk_keyix << 6 | IEEE80211_WEP_EXTIV; 2053 iv[4] = k->wk_keytsc >> 16; 2054 iv[5] = k->wk_keytsc >> 24; 2055 iv[6] = k->wk_keytsc >> 32; 2056 iv[7] = k->wk_keytsc >> 40; 2057 } 2058 if (run_write_region_1(sc, RT2860_IVEIV(wcid), iv, 8)) 2059 return; 2060 } 2061 2062 if (k->wk_flags & IEEE80211_KEY_GROUP) { 2063 /* install group key */ 2064 if (run_read(sc, RT2860_SKEY_MODE_0_7, &attr)) 2065 return; 2066 attr &= ~(0xf << (k->wk_keyix * 4)); 2067 attr |= mode << (k->wk_keyix * 4); 2068 if (run_write(sc, RT2860_SKEY_MODE_0_7, attr)) 2069 return; 2070 } else { 2071 /* install pairwise key */ 2072 if (run_read(sc, RT2860_WCID_ATTR(wcid), &attr)) 2073 return; 2074 attr = (attr & ~0xf) | (mode << 1) | RT2860_RX_PKEY_EN; 2075 if (run_write(sc, RT2860_WCID_ATTR(wcid), attr)) 2076 return; 2077 } 2078 2079 /* TODO create a pass-thru key entry? */ 2080 2081 /* need wcid to delete the right key later */ 2082 k->wk_pad = wcid; 2083 } 2084 2085 /* 2086 * Don't have to be deferred, but in order to keep order of 2087 * execution, i.e. with run_key_delete(), defer this and let 2088 * run_cmdq_cb() maintain the order. 2089 * 2090 * return 0 on error 2091 */ 2092 static int 2093 run_key_set(struct ieee80211vap *vap, struct ieee80211_key *k, 2094 const uint8_t mac[IEEE80211_ADDR_LEN]) 2095 { 2096 struct ieee80211com *ic = vap->iv_ic; 2097 struct run_softc *sc = ic->ic_ifp->if_softc; 2098 uint32_t i; 2099 2100 i = RUN_CMDQ_GET(&sc->cmdq_store); 2101 DPRINTF("cmdq_store=%d\n", i); 2102 sc->cmdq[i].func = run_key_set_cb; 2103 sc->cmdq[i].arg0 = NULL; 2104 sc->cmdq[i].arg1 = vap; 2105 sc->cmdq[i].k = k; 2106 IEEE80211_ADDR_COPY(sc->cmdq[i].mac, mac); 2107 ieee80211_runtask(ic, &sc->cmdq_task); 2108 2109 /* 2110 * To make sure key will be set when hostapd 2111 * calls iv_key_set() before if_init(). 2112 */ 2113 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 2114 RUN_LOCK(sc); 2115 sc->cmdq_key_set = RUN_CMDQ_GO; 2116 RUN_UNLOCK(sc); 2117 } 2118 2119 return (1); 2120 } 2121 2122 /* 2123 * If wlan is destroyed without being brought down i.e. without 2124 * wlan down or wpa_cli terminate, this function is called after 2125 * vap is gone. Don't refer it. 2126 */ 2127 static void 2128 run_key_delete_cb(void *arg) 2129 { 2130 struct run_cmdq *cmdq = arg; 2131 struct run_softc *sc = cmdq->arg1; 2132 struct ieee80211_key *k = &cmdq->key; 2133 uint32_t attr; 2134 uint8_t wcid; 2135 2136 RUN_LOCK_ASSERT(sc, MA_OWNED); 2137 2138 if (k->wk_flags & IEEE80211_KEY_GROUP) { 2139 /* remove group key */ 2140 DPRINTF("removing group key\n"); 2141 run_read(sc, RT2860_SKEY_MODE_0_7, &attr); 2142 attr &= ~(0xf << (k->wk_keyix * 4)); 2143 run_write(sc, RT2860_SKEY_MODE_0_7, attr); 2144 } else { 2145 /* remove pairwise key */ 2146 DPRINTF("removing key for wcid %x\n", k->wk_pad); 2147 /* matching wcid was written to wk_pad in run_key_set() */ 2148 wcid = k->wk_pad; 2149 run_read(sc, RT2860_WCID_ATTR(wcid), &attr); 2150 attr &= ~0xf; 2151 run_write(sc, RT2860_WCID_ATTR(wcid), attr); 2152 run_set_region_4(sc, RT2860_WCID_ENTRY(wcid), 0, 8); 2153 } 2154 2155 k->wk_pad = 0; 2156 } 2157 2158 /* 2159 * return 0 on error 2160 */ 2161 static int 2162 run_key_delete(struct ieee80211vap *vap, struct ieee80211_key *k) 2163 { 2164 struct ieee80211com *ic = vap->iv_ic; 2165 struct run_softc *sc = ic->ic_ifp->if_softc; 2166 struct ieee80211_key *k0; 2167 uint32_t i; 2168 2169 /* 2170 * When called back, key might be gone. So, make a copy 2171 * of some values need to delete keys before deferring. 2172 * But, because of LOR with node lock, cannot use lock here. 2173 * So, use atomic instead. 2174 */ 2175 i = RUN_CMDQ_GET(&sc->cmdq_store); 2176 DPRINTF("cmdq_store=%d\n", i); 2177 sc->cmdq[i].func = run_key_delete_cb; 2178 sc->cmdq[i].arg0 = NULL; 2179 sc->cmdq[i].arg1 = sc; 2180 k0 = &sc->cmdq[i].key; 2181 k0->wk_flags = k->wk_flags; 2182 k0->wk_keyix = k->wk_keyix; 2183 /* matching wcid was written to wk_pad in run_key_set() */ 2184 k0->wk_pad = k->wk_pad; 2185 ieee80211_runtask(ic, &sc->cmdq_task); 2186 return (1); /* return fake success */ 2187 2188 } 2189 2190 static void 2191 run_ratectl_to(void *arg) 2192 { 2193 struct run_softc *sc = arg; 2194 2195 /* do it in a process context, so it can go sleep */ 2196 ieee80211_runtask(sc->sc_ifp->if_l2com, &sc->ratectl_task); 2197 /* next timeout will be rescheduled in the callback task */ 2198 } 2199 2200 /* ARGSUSED */ 2201 static void 2202 run_ratectl_cb(void *arg, int pending) 2203 { 2204 struct run_softc *sc = arg; 2205 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 2206 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 2207 2208 if (vap == NULL) 2209 return; 2210 2211 if (sc->rvp_cnt <= 1 && vap->iv_opmode == IEEE80211_M_STA) 2212 run_iter_func(sc, vap->iv_bss); 2213 else { 2214 /* 2215 * run_reset_livelock() doesn't do anything with AMRR, 2216 * but Ralink wants us to call it every 1 sec. So, we 2217 * piggyback here rather than creating another callout. 2218 * Livelock may occur only in HOSTAP or IBSS mode 2219 * (when h/w is sending beacons). 2220 */ 2221 RUN_LOCK(sc); 2222 run_reset_livelock(sc); 2223 /* just in case, there are some stats to drain */ 2224 run_drain_fifo(sc); 2225 RUN_UNLOCK(sc); 2226 ieee80211_iterate_nodes(&ic->ic_sta, run_iter_func, sc); 2227 } 2228 2229 if(sc->ratectl_run != RUN_RATECTL_OFF) 2230 usb_callout_reset(&sc->ratectl_ch, hz, run_ratectl_to, sc); 2231 } 2232 2233 static void 2234 run_drain_fifo(void *arg) 2235 { 2236 struct run_softc *sc = arg; 2237 struct ifnet *ifp = sc->sc_ifp; 2238 uint32_t stat; 2239 uint16_t (*wstat)[3]; 2240 uint8_t wcid, mcs, pid; 2241 int8_t retry; 2242 2243 RUN_LOCK_ASSERT(sc, MA_OWNED); 2244 2245 for (;;) { 2246 /* drain Tx status FIFO (maxsize = 16) */ 2247 run_read(sc, RT2860_TX_STAT_FIFO, &stat); 2248 DPRINTFN(4, "tx stat 0x%08x\n", stat); 2249 if (!(stat & RT2860_TXQ_VLD)) 2250 break; 2251 2252 wcid = (stat >> RT2860_TXQ_WCID_SHIFT) & 0xff; 2253 2254 /* if no ACK was requested, no feedback is available */ 2255 if (!(stat & RT2860_TXQ_ACKREQ) || wcid > RT2870_WCID_MAX || 2256 wcid == 0) 2257 continue; 2258 2259 /* 2260 * Even though each stat is Tx-complete-status like format, 2261 * the device can poll stats. Because there is no guarantee 2262 * that the referring node is still around when read the stats. 2263 * So that, if we use ieee80211_ratectl_tx_update(), we will 2264 * have hard time not to refer already freed node. 2265 * 2266 * To eliminate such page faults, we poll stats in softc. 2267 * Then, update the rates later with ieee80211_ratectl_tx_update(). 2268 */ 2269 wstat = &(sc->wcid_stats[wcid]); 2270 (*wstat)[RUN_TXCNT]++; 2271 if (stat & RT2860_TXQ_OK) 2272 (*wstat)[RUN_SUCCESS]++; 2273 else 2274 ifp->if_oerrors++; 2275 /* 2276 * Check if there were retries, ie if the Tx success rate is 2277 * different from the requested rate. Note that it works only 2278 * because we do not allow rate fallback from OFDM to CCK. 2279 */ 2280 mcs = (stat >> RT2860_TXQ_MCS_SHIFT) & 0x7f; 2281 pid = (stat >> RT2860_TXQ_PID_SHIFT) & 0xf; 2282 if ((retry = pid -1 - mcs) > 0) { 2283 (*wstat)[RUN_TXCNT] += retry; 2284 (*wstat)[RUN_RETRY] += retry; 2285 } 2286 } 2287 DPRINTFN(3, "count=%d\n", sc->fifo_cnt); 2288 2289 sc->fifo_cnt = 0; 2290 } 2291 2292 static void 2293 run_iter_func(void *arg, struct ieee80211_node *ni) 2294 { 2295 struct run_softc *sc = arg; 2296 struct ieee80211vap *vap = ni->ni_vap; 2297 struct ieee80211com *ic = ni->ni_ic; 2298 struct ifnet *ifp = ic->ic_ifp; 2299 struct run_node *rn = (void *)ni; 2300 union run_stats sta[2]; 2301 uint16_t (*wstat)[3]; 2302 int txcnt, success, retrycnt, error; 2303 2304 RUN_LOCK(sc); 2305 2306 if (sc->rvp_cnt <= 1 && (vap->iv_opmode == IEEE80211_M_IBSS || 2307 vap->iv_opmode == IEEE80211_M_STA)) { 2308 /* read statistic counters (clear on read) and update AMRR state */ 2309 error = run_read_region_1(sc, RT2860_TX_STA_CNT0, (uint8_t *)sta, 2310 sizeof sta); 2311 if (error != 0) 2312 goto fail; 2313 2314 /* count failed TX as errors */ 2315 ifp->if_oerrors += le16toh(sta[0].error.fail); 2316 2317 retrycnt = le16toh(sta[1].tx.retry); 2318 success = le16toh(sta[1].tx.success); 2319 txcnt = retrycnt + success + le16toh(sta[0].error.fail); 2320 2321 DPRINTFN(3, "retrycnt=%d success=%d failcnt=%d\n", 2322 retrycnt, success, le16toh(sta[0].error.fail)); 2323 } else { 2324 wstat = &(sc->wcid_stats[RUN_AID2WCID(ni->ni_associd)]); 2325 2326 if (wstat == &(sc->wcid_stats[0]) || 2327 wstat > &(sc->wcid_stats[RT2870_WCID_MAX])) 2328 goto fail; 2329 2330 txcnt = (*wstat)[RUN_TXCNT]; 2331 success = (*wstat)[RUN_SUCCESS]; 2332 retrycnt = (*wstat)[RUN_RETRY]; 2333 DPRINTFN(3, "retrycnt=%d txcnt=%d success=%d\n", 2334 retrycnt, txcnt, success); 2335 2336 memset(wstat, 0, sizeof(*wstat)); 2337 } 2338 2339 ieee80211_ratectl_tx_update(vap, ni, &txcnt, &success, &retrycnt); 2340 rn->amrr_ridx = ieee80211_ratectl_rate(ni, NULL, 0); 2341 2342 fail: 2343 RUN_UNLOCK(sc); 2344 2345 DPRINTFN(3, "ridx=%d\n", rn->amrr_ridx); 2346 } 2347 2348 static void 2349 run_newassoc_cb(void *arg) 2350 { 2351 struct run_cmdq *cmdq = arg; 2352 struct ieee80211_node *ni = cmdq->arg1; 2353 struct run_softc *sc = ni->ni_vap->iv_ic->ic_ifp->if_softc; 2354 uint8_t wcid = cmdq->wcid; 2355 2356 RUN_LOCK_ASSERT(sc, MA_OWNED); 2357 2358 run_write_region_1(sc, RT2860_WCID_ENTRY(wcid), 2359 ni->ni_macaddr, IEEE80211_ADDR_LEN); 2360 2361 memset(&(sc->wcid_stats[wcid]), 0, sizeof(sc->wcid_stats[wcid])); 2362 } 2363 2364 static void 2365 run_newassoc(struct ieee80211_node *ni, int isnew) 2366 { 2367 struct run_node *rn = (void *)ni; 2368 struct ieee80211_rateset *rs = &ni->ni_rates; 2369 struct ieee80211vap *vap = ni->ni_vap; 2370 struct ieee80211com *ic = vap->iv_ic; 2371 struct run_softc *sc = ic->ic_ifp->if_softc; 2372 uint8_t rate; 2373 uint8_t ridx; 2374 uint8_t wcid = RUN_AID2WCID(ni->ni_associd); 2375 int i, j; 2376 2377 if (wcid > RT2870_WCID_MAX) { 2378 device_printf(sc->sc_dev, "wcid=%d out of range\n", wcid); 2379 return; 2380 } 2381 2382 /* only interested in true associations */ 2383 if (isnew && ni->ni_associd != 0) { 2384 2385 /* 2386 * This function could is called though timeout function. 2387 * Need to defer. 2388 */ 2389 uint32_t cnt = RUN_CMDQ_GET(&sc->cmdq_store); 2390 DPRINTF("cmdq_store=%d\n", cnt); 2391 sc->cmdq[cnt].func = run_newassoc_cb; 2392 sc->cmdq[cnt].arg0 = NULL; 2393 sc->cmdq[cnt].arg1 = ni; 2394 sc->cmdq[cnt].wcid = wcid; 2395 ieee80211_runtask(ic, &sc->cmdq_task); 2396 } 2397 2398 DPRINTF("new assoc isnew=%d associd=%x addr=%s\n", 2399 isnew, ni->ni_associd, ether_sprintf(ni->ni_macaddr)); 2400 2401 for (i = 0; i < rs->rs_nrates; i++) { 2402 rate = rs->rs_rates[i] & IEEE80211_RATE_VAL; 2403 /* convert 802.11 rate to hardware rate index */ 2404 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++) 2405 if (rt2860_rates[ridx].rate == rate) 2406 break; 2407 rn->ridx[i] = ridx; 2408 /* determine rate of control response frames */ 2409 for (j = i; j >= 0; j--) { 2410 if ((rs->rs_rates[j] & IEEE80211_RATE_BASIC) && 2411 rt2860_rates[rn->ridx[i]].phy == 2412 rt2860_rates[rn->ridx[j]].phy) 2413 break; 2414 } 2415 if (j >= 0) { 2416 rn->ctl_ridx[i] = rn->ridx[j]; 2417 } else { 2418 /* no basic rate found, use mandatory one */ 2419 rn->ctl_ridx[i] = rt2860_rates[ridx].ctl_ridx; 2420 } 2421 DPRINTF("rate=0x%02x ridx=%d ctl_ridx=%d\n", 2422 rs->rs_rates[i], rn->ridx[i], rn->ctl_ridx[i]); 2423 } 2424 rate = vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)].mgmtrate; 2425 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++) 2426 if (rt2860_rates[ridx].rate == rate) 2427 break; 2428 rn->mgt_ridx = ridx; 2429 DPRINTF("rate=%d, mgmt_ridx=%d\n", rate, rn->mgt_ridx); 2430 2431 usb_callout_reset(&sc->ratectl_ch, hz, run_ratectl_to, sc); 2432 } 2433 2434 /* 2435 * Return the Rx chain with the highest RSSI for a given frame. 2436 */ 2437 static __inline uint8_t 2438 run_maxrssi_chain(struct run_softc *sc, const struct rt2860_rxwi *rxwi) 2439 { 2440 uint8_t rxchain = 0; 2441 2442 if (sc->nrxchains > 1) { 2443 if (rxwi->rssi[1] > rxwi->rssi[rxchain]) 2444 rxchain = 1; 2445 if (sc->nrxchains > 2) 2446 if (rxwi->rssi[2] > rxwi->rssi[rxchain]) 2447 rxchain = 2; 2448 } 2449 return (rxchain); 2450 } 2451 2452 static void 2453 run_rx_frame(struct run_softc *sc, struct mbuf *m, uint32_t dmalen) 2454 { 2455 struct ifnet *ifp = sc->sc_ifp; 2456 struct ieee80211com *ic = ifp->if_l2com; 2457 struct ieee80211_frame *wh; 2458 struct ieee80211_node *ni; 2459 struct rt2870_rxd *rxd; 2460 struct rt2860_rxwi *rxwi; 2461 uint32_t flags; 2462 uint16_t len, phy; 2463 uint8_t ant, rssi; 2464 int8_t nf; 2465 2466 rxwi = mtod(m, struct rt2860_rxwi *); 2467 len = le16toh(rxwi->len) & 0xfff; 2468 if (__predict_false(len > dmalen)) { 2469 m_freem(m); 2470 ifp->if_ierrors++; 2471 DPRINTF("bad RXWI length %u > %u\n", len, dmalen); 2472 return; 2473 } 2474 /* Rx descriptor is located at the end */ 2475 rxd = (struct rt2870_rxd *)(mtod(m, caddr_t) + dmalen); 2476 flags = le32toh(rxd->flags); 2477 2478 if (__predict_false(flags & (RT2860_RX_CRCERR | RT2860_RX_ICVERR))) { 2479 m_freem(m); 2480 ifp->if_ierrors++; 2481 DPRINTF("%s error.\n", (flags & RT2860_RX_CRCERR)?"CRC":"ICV"); 2482 return; 2483 } 2484 2485 m->m_data += sizeof(struct rt2860_rxwi); 2486 m->m_pkthdr.len = m->m_len -= sizeof(struct rt2860_rxwi); 2487 2488 wh = mtod(m, struct ieee80211_frame *); 2489 2490 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2491 wh->i_fc[1] &= ~IEEE80211_FC1_WEP; 2492 m->m_flags |= M_WEP; 2493 } 2494 2495 if (flags & RT2860_RX_L2PAD) { 2496 DPRINTFN(8, "received RT2860_RX_L2PAD frame\n"); 2497 len += 2; 2498 } 2499 2500 ni = ieee80211_find_rxnode(ic, 2501 mtod(m, struct ieee80211_frame_min *)); 2502 2503 if (__predict_false(flags & RT2860_RX_MICERR)) { 2504 /* report MIC failures to net80211 for TKIP */ 2505 if (ni != NULL) 2506 ieee80211_notify_michael_failure(ni->ni_vap, wh, rxwi->keyidx); 2507 m_freem(m); 2508 ifp->if_ierrors++; 2509 DPRINTF("MIC error. Someone is lying.\n"); 2510 return; 2511 } 2512 2513 ant = run_maxrssi_chain(sc, rxwi); 2514 rssi = rxwi->rssi[ant]; 2515 nf = run_rssi2dbm(sc, rssi, ant); 2516 2517 m->m_pkthdr.rcvif = ifp; 2518 m->m_pkthdr.len = m->m_len = len; 2519 2520 if (ni != NULL) { 2521 (void)ieee80211_input(ni, m, rssi, nf); 2522 ieee80211_free_node(ni); 2523 } else { 2524 (void)ieee80211_input_all(ic, m, rssi, nf); 2525 } 2526 2527 if (__predict_false(ieee80211_radiotap_active(ic))) { 2528 struct run_rx_radiotap_header *tap = &sc->sc_rxtap; 2529 2530 tap->wr_flags = 0; 2531 tap->wr_chan_freq = htole16(ic->ic_bsschan->ic_freq); 2532 tap->wr_chan_flags = htole16(ic->ic_bsschan->ic_flags); 2533 tap->wr_antsignal = rssi; 2534 tap->wr_antenna = ant; 2535 tap->wr_dbm_antsignal = run_rssi2dbm(sc, rssi, ant); 2536 tap->wr_rate = 2; /* in case it can't be found below */ 2537 phy = le16toh(rxwi->phy); 2538 switch (phy & RT2860_PHY_MODE) { 2539 case RT2860_PHY_CCK: 2540 switch ((phy & RT2860_PHY_MCS) & ~RT2860_PHY_SHPRE) { 2541 case 0: tap->wr_rate = 2; break; 2542 case 1: tap->wr_rate = 4; break; 2543 case 2: tap->wr_rate = 11; break; 2544 case 3: tap->wr_rate = 22; break; 2545 } 2546 if (phy & RT2860_PHY_SHPRE) 2547 tap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 2548 break; 2549 case RT2860_PHY_OFDM: 2550 switch (phy & RT2860_PHY_MCS) { 2551 case 0: tap->wr_rate = 12; break; 2552 case 1: tap->wr_rate = 18; break; 2553 case 2: tap->wr_rate = 24; break; 2554 case 3: tap->wr_rate = 36; break; 2555 case 4: tap->wr_rate = 48; break; 2556 case 5: tap->wr_rate = 72; break; 2557 case 6: tap->wr_rate = 96; break; 2558 case 7: tap->wr_rate = 108; break; 2559 } 2560 break; 2561 } 2562 } 2563 } 2564 2565 static void 2566 run_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 2567 { 2568 struct run_softc *sc = usbd_xfer_softc(xfer); 2569 struct ifnet *ifp = sc->sc_ifp; 2570 struct mbuf *m = NULL; 2571 struct mbuf *m0; 2572 uint32_t dmalen; 2573 int xferlen; 2574 2575 usbd_xfer_status(xfer, &xferlen, NULL, NULL, NULL); 2576 2577 switch (USB_GET_STATE(xfer)) { 2578 case USB_ST_TRANSFERRED: 2579 2580 DPRINTFN(15, "rx done, actlen=%d\n", xferlen); 2581 2582 if (xferlen < sizeof (uint32_t) + 2583 sizeof (struct rt2860_rxwi) + sizeof (struct rt2870_rxd)) { 2584 DPRINTF("xfer too short %d\n", xferlen); 2585 goto tr_setup; 2586 } 2587 2588 m = sc->rx_m; 2589 sc->rx_m = NULL; 2590 2591 /* FALLTHROUGH */ 2592 case USB_ST_SETUP: 2593 tr_setup: 2594 if (sc->rx_m == NULL) { 2595 sc->rx_m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, 2596 MJUMPAGESIZE /* xfer can be bigger than MCLBYTES */); 2597 } 2598 if (sc->rx_m == NULL) { 2599 DPRINTF("could not allocate mbuf - idle with stall\n"); 2600 ifp->if_ierrors++; 2601 usbd_xfer_set_stall(xfer); 2602 usbd_xfer_set_frames(xfer, 0); 2603 } else { 2604 /* 2605 * Directly loading a mbuf cluster into DMA to 2606 * save some data copying. This works because 2607 * there is only one cluster. 2608 */ 2609 usbd_xfer_set_frame_data(xfer, 0, 2610 mtod(sc->rx_m, caddr_t), RUN_MAX_RXSZ); 2611 usbd_xfer_set_frames(xfer, 1); 2612 } 2613 usbd_transfer_submit(xfer); 2614 break; 2615 2616 default: /* Error */ 2617 if (error != USB_ERR_CANCELLED) { 2618 /* try to clear stall first */ 2619 usbd_xfer_set_stall(xfer); 2620 2621 if (error == USB_ERR_TIMEOUT) 2622 device_printf(sc->sc_dev, "device timeout\n"); 2623 2624 ifp->if_ierrors++; 2625 2626 goto tr_setup; 2627 } 2628 if (sc->rx_m != NULL) { 2629 m_freem(sc->rx_m); 2630 sc->rx_m = NULL; 2631 } 2632 break; 2633 } 2634 2635 if (m == NULL) 2636 return; 2637 2638 /* inputting all the frames must be last */ 2639 2640 RUN_UNLOCK(sc); 2641 2642 m->m_pkthdr.len = m->m_len = xferlen; 2643 2644 /* HW can aggregate multiple 802.11 frames in a single USB xfer */ 2645 for(;;) { 2646 dmalen = le32toh(*mtod(m, uint32_t *)) & 0xffff; 2647 2648 if ((dmalen == 0) || ((dmalen & 3) != 0)) { 2649 DPRINTF("bad DMA length %u\n", dmalen); 2650 break; 2651 } 2652 if ((dmalen + 8) > xferlen) { 2653 DPRINTF("bad DMA length %u > %d\n", 2654 dmalen + 8, xferlen); 2655 break; 2656 } 2657 2658 /* If it is the last one or a single frame, we won't copy. */ 2659 if ((xferlen -= dmalen + 8) <= 8) { 2660 /* trim 32-bit DMA-len header */ 2661 m->m_data += 4; 2662 m->m_pkthdr.len = m->m_len -= 4; 2663 run_rx_frame(sc, m, dmalen); 2664 break; 2665 } 2666 2667 /* copy aggregated frames to another mbuf */ 2668 m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 2669 if (__predict_false(m0 == NULL)) { 2670 DPRINTF("could not allocate mbuf\n"); 2671 ifp->if_ierrors++; 2672 break; 2673 } 2674 m_copydata(m, 4 /* skip 32-bit DMA-len header */, 2675 dmalen + sizeof(struct rt2870_rxd), mtod(m0, caddr_t)); 2676 m0->m_pkthdr.len = m0->m_len = 2677 dmalen + sizeof(struct rt2870_rxd); 2678 run_rx_frame(sc, m0, dmalen); 2679 2680 /* update data ptr */ 2681 m->m_data += dmalen + 8; 2682 m->m_pkthdr.len = m->m_len -= dmalen + 8; 2683 } 2684 2685 RUN_LOCK(sc); 2686 } 2687 2688 static void 2689 run_tx_free(struct run_endpoint_queue *pq, 2690 struct run_tx_data *data, int txerr) 2691 { 2692 if (data->m != NULL) { 2693 if (data->m->m_flags & M_TXCB) 2694 ieee80211_process_callback(data->ni, data->m, 2695 txerr ? ETIMEDOUT : 0); 2696 m_freem(data->m); 2697 data->m = NULL; 2698 2699 if (data->ni == NULL) { 2700 DPRINTF("no node\n"); 2701 } else { 2702 ieee80211_free_node(data->ni); 2703 data->ni = NULL; 2704 } 2705 } 2706 2707 STAILQ_INSERT_TAIL(&pq->tx_fh, data, next); 2708 pq->tx_nfree++; 2709 } 2710 2711 static void 2712 run_bulk_tx_callbackN(struct usb_xfer *xfer, usb_error_t error, unsigned int index) 2713 { 2714 struct run_softc *sc = usbd_xfer_softc(xfer); 2715 struct ifnet *ifp = sc->sc_ifp; 2716 struct ieee80211com *ic = ifp->if_l2com; 2717 struct run_tx_data *data; 2718 struct ieee80211vap *vap = NULL; 2719 struct usb_page_cache *pc; 2720 struct run_endpoint_queue *pq = &sc->sc_epq[index]; 2721 struct mbuf *m; 2722 usb_frlength_t size; 2723 int actlen; 2724 int sumlen; 2725 2726 usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 2727 2728 switch (USB_GET_STATE(xfer)) { 2729 case USB_ST_TRANSFERRED: 2730 DPRINTFN(11, "transfer complete: %d " 2731 "bytes @ index %d\n", actlen, index); 2732 2733 data = usbd_xfer_get_priv(xfer); 2734 2735 run_tx_free(pq, data, 0); 2736 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 2737 2738 usbd_xfer_set_priv(xfer, NULL); 2739 2740 ifp->if_opackets++; 2741 2742 /* FALLTHROUGH */ 2743 case USB_ST_SETUP: 2744 tr_setup: 2745 data = STAILQ_FIRST(&pq->tx_qh); 2746 if (data == NULL) 2747 break; 2748 2749 STAILQ_REMOVE_HEAD(&pq->tx_qh, next); 2750 2751 m = data->m; 2752 if ((m->m_pkthdr.len + 2753 sizeof(data->desc) + 3 + 8) > RUN_MAX_TXSZ) { 2754 DPRINTF("data overflow, %u bytes\n", 2755 m->m_pkthdr.len); 2756 2757 ifp->if_oerrors++; 2758 2759 run_tx_free(pq, data, 1); 2760 2761 goto tr_setup; 2762 } 2763 2764 pc = usbd_xfer_get_frame(xfer, 0); 2765 size = sizeof(data->desc); 2766 usbd_copy_in(pc, 0, &data->desc, size); 2767 usbd_m_copy_in(pc, size, m, 0, m->m_pkthdr.len); 2768 size += m->m_pkthdr.len; 2769 /* 2770 * Align end on a 4-byte boundary, pad 8 bytes (CRC + 2771 * 4-byte padding), and be sure to zero those trailing 2772 * bytes: 2773 */ 2774 usbd_frame_zero(pc, size, ((-size) & 3) + 8); 2775 size += ((-size) & 3) + 8; 2776 2777 vap = data->ni->ni_vap; 2778 if (ieee80211_radiotap_active_vap(vap)) { 2779 struct run_tx_radiotap_header *tap = &sc->sc_txtap; 2780 struct rt2860_txwi *txwi = 2781 (struct rt2860_txwi *)(&data->desc + sizeof(struct rt2870_txd)); 2782 2783 tap->wt_flags = 0; 2784 tap->wt_rate = rt2860_rates[data->ridx].rate; 2785 tap->wt_chan_freq = htole16(vap->iv_bss->ni_chan->ic_freq); 2786 tap->wt_chan_flags = htole16(vap->iv_bss->ni_chan->ic_flags); 2787 tap->wt_hwqueue = index; 2788 if (le16toh(txwi->phy) & RT2860_PHY_SHPRE) 2789 tap->wt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 2790 2791 ieee80211_radiotap_tx(vap, m); 2792 } 2793 2794 DPRINTFN(11, "sending frame len=%u/%u @ index %d\n", 2795 m->m_pkthdr.len, size, index); 2796 2797 usbd_xfer_set_frame_len(xfer, 0, size); 2798 usbd_xfer_set_priv(xfer, data); 2799 2800 usbd_transfer_submit(xfer); 2801 2802 RUN_UNLOCK(sc); 2803 run_start(ifp); 2804 RUN_LOCK(sc); 2805 2806 break; 2807 2808 default: 2809 DPRINTF("USB transfer error, %s\n", 2810 usbd_errstr(error)); 2811 2812 data = usbd_xfer_get_priv(xfer); 2813 2814 ifp->if_oerrors++; 2815 2816 if (data != NULL) { 2817 if(data->ni != NULL) 2818 vap = data->ni->ni_vap; 2819 run_tx_free(pq, data, error); 2820 usbd_xfer_set_priv(xfer, NULL); 2821 } 2822 if (vap == NULL) 2823 vap = TAILQ_FIRST(&ic->ic_vaps); 2824 2825 if (error != USB_ERR_CANCELLED) { 2826 if (error == USB_ERR_TIMEOUT) { 2827 device_printf(sc->sc_dev, "device timeout\n"); 2828 uint32_t i = RUN_CMDQ_GET(&sc->cmdq_store); 2829 DPRINTF("cmdq_store=%d\n", i); 2830 sc->cmdq[i].func = run_usb_timeout_cb; 2831 sc->cmdq[i].arg0 = vap; 2832 ieee80211_runtask(ic, &sc->cmdq_task); 2833 } 2834 2835 /* 2836 * Try to clear stall first, also if other 2837 * errors occur, hence clearing stall 2838 * introduces a 50 ms delay: 2839 */ 2840 usbd_xfer_set_stall(xfer); 2841 goto tr_setup; 2842 } 2843 break; 2844 } 2845 } 2846 2847 static void 2848 run_bulk_tx_callback0(struct usb_xfer *xfer, usb_error_t error) 2849 { 2850 run_bulk_tx_callbackN(xfer, error, 0); 2851 } 2852 2853 static void 2854 run_bulk_tx_callback1(struct usb_xfer *xfer, usb_error_t error) 2855 { 2856 run_bulk_tx_callbackN(xfer, error, 1); 2857 } 2858 2859 static void 2860 run_bulk_tx_callback2(struct usb_xfer *xfer, usb_error_t error) 2861 { 2862 run_bulk_tx_callbackN(xfer, error, 2); 2863 } 2864 2865 static void 2866 run_bulk_tx_callback3(struct usb_xfer *xfer, usb_error_t error) 2867 { 2868 run_bulk_tx_callbackN(xfer, error, 3); 2869 } 2870 2871 static void 2872 run_bulk_tx_callback4(struct usb_xfer *xfer, usb_error_t error) 2873 { 2874 run_bulk_tx_callbackN(xfer, error, 4); 2875 } 2876 2877 static void 2878 run_bulk_tx_callback5(struct usb_xfer *xfer, usb_error_t error) 2879 { 2880 run_bulk_tx_callbackN(xfer, error, 5); 2881 } 2882 2883 static void 2884 run_set_tx_desc(struct run_softc *sc, struct run_tx_data *data) 2885 { 2886 struct mbuf *m = data->m; 2887 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 2888 struct ieee80211vap *vap = data->ni->ni_vap; 2889 struct ieee80211_frame *wh; 2890 struct rt2870_txd *txd; 2891 struct rt2860_txwi *txwi; 2892 uint16_t xferlen; 2893 uint16_t mcs; 2894 uint8_t ridx = data->ridx; 2895 uint8_t pad; 2896 2897 /* get MCS code from rate index */ 2898 mcs = rt2860_rates[ridx].mcs; 2899 2900 xferlen = sizeof(*txwi) + m->m_pkthdr.len; 2901 2902 /* roundup to 32-bit alignment */ 2903 xferlen = (xferlen + 3) & ~3; 2904 2905 txd = (struct rt2870_txd *)&data->desc; 2906 txd->len = htole16(xferlen); 2907 2908 wh = mtod(m, struct ieee80211_frame *); 2909 2910 /* 2911 * Ether both are true or both are false, the header 2912 * are nicely aligned to 32-bit. So, no L2 padding. 2913 */ 2914 if(IEEE80211_HAS_ADDR4(wh) == IEEE80211_QOS_HAS_SEQ(wh)) 2915 pad = 0; 2916 else 2917 pad = 2; 2918 2919 /* setup TX Wireless Information */ 2920 txwi = (struct rt2860_txwi *)(txd + 1); 2921 txwi->len = htole16(m->m_pkthdr.len - pad); 2922 if (rt2860_rates[ridx].phy == IEEE80211_T_DS) { 2923 txwi->phy = htole16(RT2860_PHY_CCK); 2924 if (ridx != RT2860_RIDX_CCK1 && 2925 (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 2926 mcs |= RT2860_PHY_SHPRE; 2927 } else 2928 txwi->phy = htole16(RT2860_PHY_OFDM); 2929 txwi->phy |= htole16(mcs); 2930 2931 /* check if RTS/CTS or CTS-to-self protection is required */ 2932 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 2933 (m->m_pkthdr.len + IEEE80211_CRC_LEN > vap->iv_rtsthreshold || 2934 ((ic->ic_flags & IEEE80211_F_USEPROT) && 2935 rt2860_rates[ridx].phy == IEEE80211_T_OFDM))) 2936 txwi->txop |= RT2860_TX_TXOP_HT; 2937 else 2938 txwi->txop |= RT2860_TX_TXOP_BACKOFF; 2939 2940 if (vap->iv_opmode != IEEE80211_M_STA && !IEEE80211_QOS_HAS_SEQ(wh)) 2941 txwi->xflags |= RT2860_TX_NSEQ; 2942 } 2943 2944 /* This function must be called locked */ 2945 static int 2946 run_tx(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 2947 { 2948 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 2949 struct ieee80211vap *vap = ni->ni_vap; 2950 struct ieee80211_frame *wh; 2951 struct ieee80211_channel *chan; 2952 const struct ieee80211_txparam *tp; 2953 struct run_node *rn = (void *)ni; 2954 struct run_tx_data *data; 2955 struct rt2870_txd *txd; 2956 struct rt2860_txwi *txwi; 2957 uint16_t qos; 2958 uint16_t dur; 2959 uint16_t qid; 2960 uint8_t type; 2961 uint8_t tid; 2962 uint8_t ridx; 2963 uint8_t ctl_ridx; 2964 uint8_t qflags; 2965 uint8_t xflags = 0; 2966 int hasqos; 2967 2968 RUN_LOCK_ASSERT(sc, MA_OWNED); 2969 2970 wh = mtod(m, struct ieee80211_frame *); 2971 2972 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 2973 2974 /* 2975 * There are 7 bulk endpoints: 1 for RX 2976 * and 6 for TX (4 EDCAs + HCCA + Prio). 2977 * Update 03-14-2009: some devices like the Planex GW-US300MiniS 2978 * seem to have only 4 TX bulk endpoints (Fukaumi Naoki). 2979 */ 2980 if ((hasqos = IEEE80211_QOS_HAS_SEQ(wh))) { 2981 uint8_t *frm; 2982 2983 if(IEEE80211_HAS_ADDR4(wh)) 2984 frm = ((struct ieee80211_qosframe_addr4 *)wh)->i_qos; 2985 else 2986 frm =((struct ieee80211_qosframe *)wh)->i_qos; 2987 2988 qos = le16toh(*(const uint16_t *)frm); 2989 tid = qos & IEEE80211_QOS_TID; 2990 qid = TID_TO_WME_AC(tid); 2991 } else { 2992 qos = 0; 2993 tid = 0; 2994 qid = WME_AC_BE; 2995 } 2996 qflags = (qid < 4) ? RT2860_TX_QSEL_EDCA : RT2860_TX_QSEL_HCCA; 2997 2998 DPRINTFN(8, "qos %d\tqid %d\ttid %d\tqflags %x\n", 2999 qos, qid, tid, qflags); 3000 3001 chan = (ni->ni_chan != IEEE80211_CHAN_ANYC)?ni->ni_chan:ic->ic_curchan; 3002 tp = &vap->iv_txparms[ieee80211_chan2mode(chan)]; 3003 3004 /* pickup a rate index */ 3005 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || 3006 type != IEEE80211_FC0_TYPE_DATA) { 3007 ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3008 RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1; 3009 ctl_ridx = rt2860_rates[ridx].ctl_ridx; 3010 } else { 3011 if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) 3012 ridx = rn->fix_ridx; 3013 else 3014 ridx = rn->amrr_ridx; 3015 ctl_ridx = rt2860_rates[ridx].ctl_ridx; 3016 } 3017 3018 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 3019 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != 3020 IEEE80211_QOS_ACKPOLICY_NOACK)) { 3021 xflags |= RT2860_TX_ACK; 3022 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 3023 dur = rt2860_rates[ctl_ridx].sp_ack_dur; 3024 else 3025 dur = rt2860_rates[ctl_ridx].lp_ack_dur; 3026 *(uint16_t *)wh->i_dur = htole16(dur); 3027 } 3028 3029 /* reserve slots for mgmt packets, just in case */ 3030 if (sc->sc_epq[qid].tx_nfree < 3) { 3031 DPRINTFN(10, "tx ring %d is full\n", qid); 3032 return (-1); 3033 } 3034 3035 data = STAILQ_FIRST(&sc->sc_epq[qid].tx_fh); 3036 STAILQ_REMOVE_HEAD(&sc->sc_epq[qid].tx_fh, next); 3037 sc->sc_epq[qid].tx_nfree--; 3038 3039 txd = (struct rt2870_txd *)&data->desc; 3040 txd->flags = qflags; 3041 txwi = (struct rt2860_txwi *)(txd + 1); 3042 txwi->xflags = xflags; 3043 txwi->wcid = IEEE80211_IS_MULTICAST(wh->i_addr1) ? 3044 0 : RUN_AID2WCID(ni->ni_associd); 3045 /* clear leftover garbage bits */ 3046 txwi->flags = 0; 3047 txwi->txop = 0; 3048 3049 data->m = m; 3050 data->ni = ni; 3051 data->ridx = ridx; 3052 3053 run_set_tx_desc(sc, data); 3054 3055 /* 3056 * The chip keeps track of 2 kind of Tx stats, 3057 * * TX_STAT_FIFO, for per WCID stats, and 3058 * * TX_STA_CNT0 for all-TX-in-one stats. 3059 * 3060 * To use FIFO stats, we need to store MCS into the driver-private 3061 * PacketID field. So that, we can tell whose stats when we read them. 3062 * We add 1 to the MCS because setting the PacketID field to 0 means 3063 * that we don't want feedback in TX_STAT_FIFO. 3064 * And, that's what we want for STA mode, since TX_STA_CNT0 does the job. 3065 * 3066 * FIFO stats doesn't count Tx with WCID 0xff, so we do this in run_tx(). 3067 */ 3068 if (sc->rvp_cnt > 1 || vap->iv_opmode == IEEE80211_M_HOSTAP || 3069 vap->iv_opmode == IEEE80211_M_MBSS) { 3070 uint16_t pid = (rt2860_rates[ridx].mcs + 1) & 0xf; 3071 txwi->len |= htole16(pid << RT2860_TX_PID_SHIFT); 3072 3073 /* 3074 * Unlike PCI based devices, we don't get any interrupt from 3075 * USB devices, so we simulate FIFO-is-full interrupt here. 3076 * Ralink recomends to drain FIFO stats every 100 ms, but 16 slots 3077 * quickly get fulled. To prevent overflow, increment a counter on 3078 * every FIFO stat request, so we know how many slots are left. 3079 * We do this only in HOSTAP or multiple vap mode since FIFO stats 3080 * are used only in those modes. 3081 * We just drain stats. AMRR gets updated every 1 sec by 3082 * run_ratectl_cb() via callout. 3083 * Call it early. Otherwise overflow. 3084 */ 3085 if (sc->fifo_cnt++ == 10) { 3086 /* 3087 * With multiple vaps or if_bridge, if_start() is called 3088 * with a non-sleepable lock, tcpinp. So, need to defer. 3089 */ 3090 uint32_t i = RUN_CMDQ_GET(&sc->cmdq_store); 3091 DPRINTFN(6, "cmdq_store=%d\n", i); 3092 sc->cmdq[i].func = run_drain_fifo; 3093 sc->cmdq[i].arg0 = sc; 3094 ieee80211_runtask(ic, &sc->cmdq_task); 3095 } 3096 } 3097 3098 STAILQ_INSERT_TAIL(&sc->sc_epq[qid].tx_qh, data, next); 3099 3100 usbd_transfer_start(sc->sc_xfer[qid]); 3101 3102 DPRINTFN(8, "sending data frame len=%d rate=%d qid=%d\n", m->m_pkthdr.len + 3103 (int)(sizeof (struct rt2870_txd) + sizeof (struct rt2860_rxwi)), 3104 rt2860_rates[ridx].rate, qid); 3105 3106 return (0); 3107 } 3108 3109 static int 3110 run_tx_mgt(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni) 3111 { 3112 struct ifnet *ifp = sc->sc_ifp; 3113 struct ieee80211com *ic = ifp->if_l2com; 3114 struct run_node *rn = (void *)ni; 3115 struct run_tx_data *data; 3116 struct ieee80211_frame *wh; 3117 struct rt2870_txd *txd; 3118 struct rt2860_txwi *txwi; 3119 uint16_t dur; 3120 uint8_t ridx = rn->mgt_ridx; 3121 uint8_t type; 3122 uint8_t xflags = 0; 3123 uint8_t wflags = 0; 3124 3125 RUN_LOCK_ASSERT(sc, MA_OWNED); 3126 3127 wh = mtod(m, struct ieee80211_frame *); 3128 3129 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 3130 3131 /* tell hardware to add timestamp for probe responses */ 3132 if ((wh->i_fc[0] & 3133 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 3134 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) 3135 wflags |= RT2860_TX_TS; 3136 else if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 3137 xflags |= RT2860_TX_ACK; 3138 3139 dur = ieee80211_ack_duration(ic->ic_rt, rt2860_rates[ridx].rate, 3140 ic->ic_flags & IEEE80211_F_SHPREAMBLE); 3141 *(uint16_t *)wh->i_dur = htole16(dur); 3142 } 3143 3144 if (sc->sc_epq[0].tx_nfree == 0) { 3145 /* let caller free mbuf */ 3146 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3147 return (EIO); 3148 } 3149 data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh); 3150 STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next); 3151 sc->sc_epq[0].tx_nfree--; 3152 3153 txd = (struct rt2870_txd *)&data->desc; 3154 txd->flags = RT2860_TX_QSEL_EDCA; 3155 txwi = (struct rt2860_txwi *)(txd + 1); 3156 txwi->wcid = 0xff; 3157 txwi->flags = wflags; 3158 txwi->xflags = xflags; 3159 txwi->txop = 0; /* clear leftover garbage bits */ 3160 3161 data->m = m; 3162 data->ni = ni; 3163 data->ridx = ridx; 3164 3165 run_set_tx_desc(sc, data); 3166 3167 DPRINTFN(10, "sending mgt frame len=%d rate=%d\n", m->m_pkthdr.len + 3168 (int)(sizeof (struct rt2870_txd) + sizeof (struct rt2860_rxwi)), 3169 rt2860_rates[ridx].rate); 3170 3171 STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next); 3172 3173 usbd_transfer_start(sc->sc_xfer[0]); 3174 3175 return (0); 3176 } 3177 3178 static int 3179 run_sendprot(struct run_softc *sc, 3180 const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate) 3181 { 3182 struct ieee80211com *ic = ni->ni_ic; 3183 struct ieee80211_frame *wh; 3184 struct run_tx_data *data; 3185 struct rt2870_txd *txd; 3186 struct rt2860_txwi *txwi; 3187 struct mbuf *mprot; 3188 int ridx; 3189 int protrate; 3190 int ackrate; 3191 int pktlen; 3192 int isshort; 3193 uint16_t dur; 3194 uint8_t type; 3195 uint8_t wflags = 0; 3196 uint8_t xflags = 0; 3197 3198 RUN_LOCK_ASSERT(sc, MA_OWNED); 3199 3200 KASSERT(prot == IEEE80211_PROT_RTSCTS || prot == IEEE80211_PROT_CTSONLY, 3201 ("protection %d", prot)); 3202 3203 wh = mtod(m, struct ieee80211_frame *); 3204 pktlen = m->m_pkthdr.len + IEEE80211_CRC_LEN; 3205 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 3206 3207 protrate = ieee80211_ctl_rate(ic->ic_rt, rate); 3208 ackrate = ieee80211_ack_rate(ic->ic_rt, rate); 3209 3210 isshort = (ic->ic_flags & IEEE80211_F_SHPREAMBLE) != 0; 3211 dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort) 3212 + ieee80211_ack_duration(ic->ic_rt, rate, isshort); 3213 wflags = RT2860_TX_FRAG; 3214 3215 /* check that there are free slots before allocating the mbuf */ 3216 if (sc->sc_epq[0].tx_nfree == 0) { 3217 /* let caller free mbuf */ 3218 sc->sc_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3219 return (ENOBUFS); 3220 } 3221 3222 if (prot == IEEE80211_PROT_RTSCTS) { 3223 /* NB: CTS is the same size as an ACK */ 3224 dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort); 3225 xflags |= RT2860_TX_ACK; 3226 mprot = ieee80211_alloc_rts(ic, wh->i_addr1, wh->i_addr2, dur); 3227 } else { 3228 mprot = ieee80211_alloc_cts(ic, ni->ni_vap->iv_myaddr, dur); 3229 } 3230 if (mprot == NULL) { 3231 sc->sc_ifp->if_oerrors++; 3232 DPRINTF("could not allocate mbuf\n"); 3233 return (ENOBUFS); 3234 } 3235 3236 data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh); 3237 STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next); 3238 sc->sc_epq[0].tx_nfree--; 3239 3240 txd = (struct rt2870_txd *)&data->desc; 3241 txd->flags = RT2860_TX_QSEL_EDCA; 3242 txwi = (struct rt2860_txwi *)(txd + 1); 3243 txwi->wcid = 0xff; 3244 txwi->flags = wflags; 3245 txwi->xflags = xflags; 3246 txwi->txop = 0; /* clear leftover garbage bits */ 3247 3248 data->m = mprot; 3249 data->ni = ieee80211_ref_node(ni); 3250 3251 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++) 3252 if (rt2860_rates[ridx].rate == protrate) 3253 break; 3254 data->ridx = ridx; 3255 3256 run_set_tx_desc(sc, data); 3257 3258 DPRINTFN(1, "sending prot len=%u rate=%u\n", 3259 m->m_pkthdr.len, rate); 3260 3261 STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next); 3262 3263 usbd_transfer_start(sc->sc_xfer[0]); 3264 3265 return (0); 3266 } 3267 3268 static int 3269 run_tx_param(struct run_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 3270 const struct ieee80211_bpf_params *params) 3271 { 3272 struct ieee80211com *ic = ni->ni_ic; 3273 struct ieee80211_frame *wh; 3274 struct run_tx_data *data; 3275 struct rt2870_txd *txd; 3276 struct rt2860_txwi *txwi; 3277 uint8_t type; 3278 uint8_t ridx; 3279 uint8_t rate; 3280 uint8_t opflags = 0; 3281 uint8_t xflags = 0; 3282 int error; 3283 3284 RUN_LOCK_ASSERT(sc, MA_OWNED); 3285 3286 KASSERT(params != NULL, ("no raw xmit params")); 3287 3288 wh = mtod(m, struct ieee80211_frame *); 3289 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK; 3290 3291 rate = params->ibp_rate0; 3292 if (!ieee80211_isratevalid(ic->ic_rt, rate)) { 3293 /* let caller free mbuf */ 3294 return (EINVAL); 3295 } 3296 3297 if ((params->ibp_flags & IEEE80211_BPF_NOACK) == 0) 3298 xflags |= RT2860_TX_ACK; 3299 if (params->ibp_flags & (IEEE80211_BPF_RTS|IEEE80211_BPF_CTS)) { 3300 error = run_sendprot(sc, m, ni, 3301 params->ibp_flags & IEEE80211_BPF_RTS ? 3302 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_CTSONLY, 3303 rate); 3304 if (error) { 3305 /* let caller free mbuf */ 3306 return error; 3307 } 3308 opflags |= /*XXX RT2573_TX_LONG_RETRY |*/ RT2860_TX_TXOP_SIFS; 3309 } 3310 3311 if (sc->sc_epq[0].tx_nfree == 0) { 3312 /* let caller free mbuf */ 3313 sc->sc_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3314 DPRINTF("sending raw frame, but tx ring is full\n"); 3315 return (EIO); 3316 } 3317 data = STAILQ_FIRST(&sc->sc_epq[0].tx_fh); 3318 STAILQ_REMOVE_HEAD(&sc->sc_epq[0].tx_fh, next); 3319 sc->sc_epq[0].tx_nfree--; 3320 3321 txd = (struct rt2870_txd *)&data->desc; 3322 txd->flags = RT2860_TX_QSEL_EDCA; 3323 txwi = (struct rt2860_txwi *)(txd + 1); 3324 txwi->wcid = 0xff; 3325 txwi->xflags = xflags; 3326 txwi->txop = opflags; 3327 txwi->flags = 0; /* clear leftover garbage bits */ 3328 3329 data->m = m; 3330 data->ni = ni; 3331 for (ridx = 0; ridx < RT2860_RIDX_MAX; ridx++) 3332 if (rt2860_rates[ridx].rate == rate) 3333 break; 3334 data->ridx = ridx; 3335 3336 run_set_tx_desc(sc, data); 3337 3338 DPRINTFN(10, "sending raw frame len=%u rate=%u\n", 3339 m->m_pkthdr.len, rate); 3340 3341 STAILQ_INSERT_TAIL(&sc->sc_epq[0].tx_qh, data, next); 3342 3343 usbd_transfer_start(sc->sc_xfer[0]); 3344 3345 return (0); 3346 } 3347 3348 static int 3349 run_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 3350 const struct ieee80211_bpf_params *params) 3351 { 3352 struct ifnet *ifp = ni->ni_ic->ic_ifp; 3353 struct run_softc *sc = ifp->if_softc; 3354 int error = 0; 3355 3356 RUN_LOCK(sc); 3357 3358 /* prevent management frames from being sent if we're not ready */ 3359 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 3360 error = ENETDOWN; 3361 goto done; 3362 } 3363 3364 if (params == NULL) { 3365 /* tx mgt packet */ 3366 if ((error = run_tx_mgt(sc, m, ni)) != 0) { 3367 ifp->if_oerrors++; 3368 DPRINTF("mgt tx failed\n"); 3369 goto done; 3370 } 3371 } else { 3372 /* tx raw packet with param */ 3373 if ((error = run_tx_param(sc, m, ni, params)) != 0) { 3374 ifp->if_oerrors++; 3375 DPRINTF("tx with param failed\n"); 3376 goto done; 3377 } 3378 } 3379 3380 ifp->if_opackets++; 3381 3382 done: 3383 RUN_UNLOCK(sc); 3384 3385 if (error != 0) { 3386 if(m != NULL) 3387 m_freem(m); 3388 ieee80211_free_node(ni); 3389 } 3390 3391 return (error); 3392 } 3393 3394 static void 3395 run_start(struct ifnet *ifp) 3396 { 3397 struct run_softc *sc = ifp->if_softc; 3398 struct ieee80211_node *ni; 3399 struct mbuf *m; 3400 3401 RUN_LOCK(sc); 3402 3403 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 3404 RUN_UNLOCK(sc); 3405 return; 3406 } 3407 3408 for (;;) { 3409 /* send data frames */ 3410 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 3411 if (m == NULL) 3412 break; 3413 3414 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 3415 if (run_tx(sc, m, ni) != 0) { 3416 IFQ_DRV_PREPEND(&ifp->if_snd, m); 3417 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3418 break; 3419 } 3420 } 3421 3422 RUN_UNLOCK(sc); 3423 } 3424 3425 static int 3426 run_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3427 { 3428 struct run_softc *sc = ifp->if_softc; 3429 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3430 struct ifreq *ifr = (struct ifreq *) data; 3431 int startall = 0; 3432 int error = 0; 3433 3434 switch (cmd) { 3435 case SIOCSIFFLAGS: 3436 RUN_LOCK(sc); 3437 if (ifp->if_flags & IFF_UP) { 3438 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)){ 3439 startall = 1; 3440 run_init_locked(sc); 3441 } else 3442 run_update_promisc_locked(ifp); 3443 } else { 3444 if (ifp->if_drv_flags & IFF_DRV_RUNNING && 3445 (ic->ic_nrunning == 0 || sc->rvp_cnt <= 1)) { 3446 run_stop(sc); 3447 } 3448 } 3449 RUN_UNLOCK(sc); 3450 if (startall) 3451 ieee80211_start_all(ic); 3452 break; 3453 case SIOCGIFMEDIA: 3454 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 3455 break; 3456 case SIOCGIFADDR: 3457 error = ether_ioctl(ifp, cmd, data); 3458 break; 3459 default: 3460 error = EINVAL; 3461 break; 3462 } 3463 3464 return (error); 3465 } 3466 3467 static void 3468 run_set_agc(struct run_softc *sc, uint8_t agc) 3469 { 3470 uint8_t bbp; 3471 3472 if (sc->mac_ver == 0x3572) { 3473 run_bbp_read(sc, 27, &bbp); 3474 bbp &= ~(0x3 << 5); 3475 run_bbp_write(sc, 27, bbp | 0 << 5); /* select Rx0 */ 3476 run_bbp_write(sc, 66, agc); 3477 run_bbp_write(sc, 27, bbp | 1 << 5); /* select Rx1 */ 3478 run_bbp_write(sc, 66, agc); 3479 } else 3480 run_bbp_write(sc, 66, agc); 3481 } 3482 3483 static void 3484 run_select_chan_group(struct run_softc *sc, int group) 3485 { 3486 uint32_t tmp; 3487 uint8_t agc; 3488 3489 run_bbp_write(sc, 62, 0x37 - sc->lna[group]); 3490 run_bbp_write(sc, 63, 0x37 - sc->lna[group]); 3491 run_bbp_write(sc, 64, 0x37 - sc->lna[group]); 3492 run_bbp_write(sc, 86, 0x00); 3493 3494 if (group == 0) { 3495 if (sc->ext_2ghz_lna) { 3496 run_bbp_write(sc, 82, 0x62); 3497 run_bbp_write(sc, 75, 0x46); 3498 } else { 3499 run_bbp_write(sc, 82, 0x84); 3500 run_bbp_write(sc, 75, 0x50); 3501 } 3502 } else { 3503 if (sc->mac_ver == 0x3572) 3504 run_bbp_write(sc, 82, 0x94); 3505 else 3506 run_bbp_write(sc, 82, 0xf2); 3507 if (sc->ext_5ghz_lna) 3508 run_bbp_write(sc, 75, 0x46); 3509 else 3510 run_bbp_write(sc, 75, 0x50); 3511 } 3512 3513 run_read(sc, RT2860_TX_BAND_CFG, &tmp); 3514 tmp &= ~(RT2860_5G_BAND_SEL_N | RT2860_5G_BAND_SEL_P); 3515 tmp |= (group == 0) ? RT2860_5G_BAND_SEL_N : RT2860_5G_BAND_SEL_P; 3516 run_write(sc, RT2860_TX_BAND_CFG, tmp); 3517 3518 /* enable appropriate Power Amplifiers and Low Noise Amplifiers */ 3519 tmp = RT2860_RFTR_EN | RT2860_TRSW_EN | RT2860_LNA_PE0_EN; 3520 if (sc->nrxchains > 1) 3521 tmp |= RT2860_LNA_PE1_EN; 3522 if (group == 0) { /* 2GHz */ 3523 tmp |= RT2860_PA_PE_G0_EN; 3524 if (sc->ntxchains > 1) 3525 tmp |= RT2860_PA_PE_G1_EN; 3526 } else { /* 5GHz */ 3527 tmp |= RT2860_PA_PE_A0_EN; 3528 if (sc->ntxchains > 1) 3529 tmp |= RT2860_PA_PE_A1_EN; 3530 } 3531 if (sc->mac_ver == 0x3572) { 3532 run_rt3070_rf_write(sc, 8, 0x00); 3533 run_write(sc, RT2860_TX_PIN_CFG, tmp); 3534 run_rt3070_rf_write(sc, 8, 0x80); 3535 } else 3536 run_write(sc, RT2860_TX_PIN_CFG, tmp); 3537 3538 /* set initial AGC value */ 3539 if (group == 0) { /* 2GHz band */ 3540 if (sc->mac_ver >= 0x3070) 3541 agc = 0x1c + sc->lna[0] * 2; 3542 else 3543 agc = 0x2e + sc->lna[0]; 3544 } else { /* 5GHz band */ 3545 if (sc->mac_ver == 0x3572) 3546 agc = 0x22 + (sc->lna[group] * 5) / 3; 3547 else 3548 agc = 0x32 + (sc->lna[group] * 5) / 3; 3549 } 3550 run_set_agc(sc, agc); 3551 } 3552 3553 static void 3554 run_rt2870_set_chan(struct run_softc *sc, uint32_t chan) 3555 { 3556 const struct rfprog *rfprog = rt2860_rf2850; 3557 uint32_t r2, r3, r4; 3558 int8_t txpow1, txpow2; 3559 int i; 3560 3561 /* find the settings for this channel (we know it exists) */ 3562 for (i = 0; rfprog[i].chan != chan; i++); 3563 3564 r2 = rfprog[i].r2; 3565 if (sc->ntxchains == 1) 3566 r2 |= 1 << 12; /* 1T: disable Tx chain 2 */ 3567 if (sc->nrxchains == 1) 3568 r2 |= 1 << 15 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */ 3569 else if (sc->nrxchains == 2) 3570 r2 |= 1 << 4; /* 2R: disable Rx chain 3 */ 3571 3572 /* use Tx power values from EEPROM */ 3573 txpow1 = sc->txpow1[i]; 3574 txpow2 = sc->txpow2[i]; 3575 if (chan > 14) { 3576 if (txpow1 >= 0) 3577 txpow1 = txpow1 << 1 | 1; 3578 else 3579 txpow1 = (7 + txpow1) << 1; 3580 if (txpow2 >= 0) 3581 txpow2 = txpow2 << 1 | 1; 3582 else 3583 txpow2 = (7 + txpow2) << 1; 3584 } 3585 r3 = rfprog[i].r3 | txpow1 << 7; 3586 r4 = rfprog[i].r4 | sc->freq << 13 | txpow2 << 4; 3587 3588 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1); 3589 run_rt2870_rf_write(sc, RT2860_RF2, r2); 3590 run_rt2870_rf_write(sc, RT2860_RF3, r3); 3591 run_rt2870_rf_write(sc, RT2860_RF4, r4); 3592 3593 run_delay(sc, 10); 3594 3595 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1); 3596 run_rt2870_rf_write(sc, RT2860_RF2, r2); 3597 run_rt2870_rf_write(sc, RT2860_RF3, r3 | 1); 3598 run_rt2870_rf_write(sc, RT2860_RF4, r4); 3599 3600 run_delay(sc, 10); 3601 3602 run_rt2870_rf_write(sc, RT2860_RF1, rfprog[i].r1); 3603 run_rt2870_rf_write(sc, RT2860_RF2, r2); 3604 run_rt2870_rf_write(sc, RT2860_RF3, r3); 3605 run_rt2870_rf_write(sc, RT2860_RF4, r4); 3606 } 3607 3608 static void 3609 run_rt3070_set_chan(struct run_softc *sc, uint32_t chan) 3610 { 3611 int8_t txpow1, txpow2; 3612 uint8_t rf; 3613 int i; 3614 3615 /* RT3070 is 2GHz only */ 3616 KASSERT(chan >= 1 && chan <= 14, ("wrong channel selected\n")); 3617 3618 /* find the settings for this channel (we know it exists) */ 3619 for (i = 0; rt2860_rf2850[i].chan != chan; i++); 3620 3621 /* use Tx power values from EEPROM */ 3622 txpow1 = sc->txpow1[i]; 3623 txpow2 = sc->txpow2[i]; 3624 3625 run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n); 3626 run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k); 3627 run_rt3070_rf_read(sc, 6, &rf); 3628 rf = (rf & ~0x03) | rt3070_freqs[i].r; 3629 run_rt3070_rf_write(sc, 6, rf); 3630 3631 /* set Tx0 power */ 3632 run_rt3070_rf_read(sc, 12, &rf); 3633 rf = (rf & ~0x1f) | txpow1; 3634 run_rt3070_rf_write(sc, 12, rf); 3635 3636 /* set Tx1 power */ 3637 run_rt3070_rf_read(sc, 13, &rf); 3638 rf = (rf & ~0x1f) | txpow2; 3639 run_rt3070_rf_write(sc, 13, rf); 3640 3641 run_rt3070_rf_read(sc, 1, &rf); 3642 rf &= ~0xfc; 3643 if (sc->ntxchains == 1) 3644 rf |= 1 << 7 | 1 << 5; /* 1T: disable Tx chains 2 & 3 */ 3645 else if (sc->ntxchains == 2) 3646 rf |= 1 << 7; /* 2T: disable Tx chain 3 */ 3647 if (sc->nrxchains == 1) 3648 rf |= 1 << 6 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */ 3649 else if (sc->nrxchains == 2) 3650 rf |= 1 << 6; /* 2R: disable Rx chain 3 */ 3651 run_rt3070_rf_write(sc, 1, rf); 3652 3653 /* set RF offset */ 3654 run_rt3070_rf_read(sc, 23, &rf); 3655 rf = (rf & ~0x7f) | sc->freq; 3656 run_rt3070_rf_write(sc, 23, rf); 3657 3658 /* program RF filter */ 3659 run_rt3070_rf_read(sc, 24, &rf); /* Tx */ 3660 rf = (rf & ~0x3f) | sc->rf24_20mhz; 3661 run_rt3070_rf_write(sc, 24, rf); 3662 run_rt3070_rf_read(sc, 31, &rf); /* Rx */ 3663 rf = (rf & ~0x3f) | sc->rf24_20mhz; 3664 run_rt3070_rf_write(sc, 31, rf); 3665 3666 /* enable RF tuning */ 3667 run_rt3070_rf_read(sc, 7, &rf); 3668 run_rt3070_rf_write(sc, 7, rf | 0x01); 3669 } 3670 3671 static void 3672 run_rt3572_set_chan(struct run_softc *sc, u_int chan) 3673 { 3674 int8_t txpow1, txpow2; 3675 uint32_t tmp; 3676 uint8_t rf; 3677 int i; 3678 3679 /* find the settings for this channel (we know it exists) */ 3680 for (i = 0; rt2860_rf2850[i].chan != chan; i++); 3681 3682 /* use Tx power values from EEPROM */ 3683 txpow1 = sc->txpow1[i]; 3684 txpow2 = sc->txpow2[i]; 3685 3686 if (chan <= 14) { 3687 run_bbp_write(sc, 25, sc->bbp25); 3688 run_bbp_write(sc, 26, sc->bbp26); 3689 } else { 3690 /* enable IQ phase correction */ 3691 run_bbp_write(sc, 25, 0x09); 3692 run_bbp_write(sc, 26, 0xff); 3693 } 3694 3695 run_rt3070_rf_write(sc, 2, rt3070_freqs[i].n); 3696 run_rt3070_rf_write(sc, 3, rt3070_freqs[i].k); 3697 run_rt3070_rf_read(sc, 6, &rf); 3698 rf = (rf & ~0x0f) | rt3070_freqs[i].r; 3699 rf |= (chan <= 14) ? 0x08 : 0x04; 3700 run_rt3070_rf_write(sc, 6, rf); 3701 3702 /* set PLL mode */ 3703 run_rt3070_rf_read(sc, 5, &rf); 3704 rf &= ~(0x08 | 0x04); 3705 rf |= (chan <= 14) ? 0x04 : 0x08; 3706 run_rt3070_rf_write(sc, 5, rf); 3707 3708 /* set Tx power for chain 0 */ 3709 if (chan <= 14) 3710 rf = 0x60 | txpow1; 3711 else 3712 rf = 0xe0 | (txpow1 & 0xc) << 1 | (txpow1 & 0x3); 3713 run_rt3070_rf_write(sc, 12, rf); 3714 3715 /* set Tx power for chain 1 */ 3716 if (chan <= 14) 3717 rf = 0x60 | txpow2; 3718 else 3719 rf = 0xe0 | (txpow2 & 0xc) << 1 | (txpow2 & 0x3); 3720 run_rt3070_rf_write(sc, 13, rf); 3721 3722 /* set Tx/Rx streams */ 3723 run_rt3070_rf_read(sc, 1, &rf); 3724 rf &= ~0xfc; 3725 if (sc->ntxchains == 1) 3726 rf |= 1 << 7 | 1 << 5; /* 1T: disable Tx chains 2 & 3 */ 3727 else if (sc->ntxchains == 2) 3728 rf |= 1 << 7; /* 2T: disable Tx chain 3 */ 3729 if (sc->nrxchains == 1) 3730 rf |= 1 << 6 | 1 << 4; /* 1R: disable Rx chains 2 & 3 */ 3731 else if (sc->nrxchains == 2) 3732 rf |= 1 << 6; /* 2R: disable Rx chain 3 */ 3733 run_rt3070_rf_write(sc, 1, rf); 3734 3735 /* set RF offset */ 3736 run_rt3070_rf_read(sc, 23, &rf); 3737 rf = (rf & ~0x7f) | sc->freq; 3738 run_rt3070_rf_write(sc, 23, rf); 3739 3740 /* program RF filter */ 3741 rf = sc->rf24_20mhz; 3742 run_rt3070_rf_write(sc, 24, rf); /* Tx */ 3743 run_rt3070_rf_write(sc, 31, rf); /* Rx */ 3744 3745 /* enable RF tuning */ 3746 run_rt3070_rf_read(sc, 7, &rf); 3747 rf = (chan <= 14) ? 0xd8 : ((rf & ~0xc8) | 0x14); 3748 run_rt3070_rf_write(sc, 7, rf); 3749 3750 /* TSSI */ 3751 rf = (chan <= 14) ? 0xc3 : 0xc0; 3752 run_rt3070_rf_write(sc, 9, rf); 3753 3754 /* set loop filter 1 */ 3755 run_rt3070_rf_write(sc, 10, 0xf1); 3756 /* set loop filter 2 */ 3757 run_rt3070_rf_write(sc, 11, (chan <= 14) ? 0xb9 : 0x00); 3758 3759 /* set tx_mx2_ic */ 3760 run_rt3070_rf_write(sc, 15, (chan <= 14) ? 0x53 : 0x43); 3761 /* set tx_mx1_ic */ 3762 if (chan <= 14) 3763 rf = 0x48 | sc->txmixgain_2ghz; 3764 else 3765 rf = 0x78 | sc->txmixgain_5ghz; 3766 run_rt3070_rf_write(sc, 16, rf); 3767 3768 /* set tx_lo1 */ 3769 run_rt3070_rf_write(sc, 17, 0x23); 3770 /* set tx_lo2 */ 3771 if (chan <= 14) 3772 rf = 0x93; 3773 else if (chan <= 64) 3774 rf = 0xb7; 3775 else if (chan <= 128) 3776 rf = 0x74; 3777 else 3778 rf = 0x72; 3779 run_rt3070_rf_write(sc, 19, rf); 3780 3781 /* set rx_lo1 */ 3782 if (chan <= 14) 3783 rf = 0xb3; 3784 else if (chan <= 64) 3785 rf = 0xf6; 3786 else if (chan <= 128) 3787 rf = 0xf4; 3788 else 3789 rf = 0xf3; 3790 run_rt3070_rf_write(sc, 20, rf); 3791 3792 /* set pfd_delay */ 3793 if (chan <= 14) 3794 rf = 0x15; 3795 else if (chan <= 64) 3796 rf = 0x3d; 3797 else 3798 rf = 0x01; 3799 run_rt3070_rf_write(sc, 25, rf); 3800 3801 /* set rx_lo2 */ 3802 run_rt3070_rf_write(sc, 26, (chan <= 14) ? 0x85 : 0x87); 3803 /* set ldo_rf_vc */ 3804 run_rt3070_rf_write(sc, 27, (chan <= 14) ? 0x00 : 0x01); 3805 /* set drv_cc */ 3806 run_rt3070_rf_write(sc, 29, (chan <= 14) ? 0x9b : 0x9f); 3807 3808 run_read(sc, RT2860_GPIO_CTRL, &tmp); 3809 tmp &= ~0x8080; 3810 if (chan <= 14) 3811 tmp |= 0x80; 3812 run_write(sc, RT2860_GPIO_CTRL, tmp); 3813 3814 /* enable RF tuning */ 3815 run_rt3070_rf_read(sc, 7, &rf); 3816 run_rt3070_rf_write(sc, 7, rf | 0x01); 3817 3818 run_delay(sc, 2); 3819 } 3820 3821 static void 3822 run_set_rx_antenna(struct run_softc *sc, int aux) 3823 { 3824 uint32_t tmp; 3825 3826 if (aux) { 3827 run_mcu_cmd(sc, RT2860_MCU_CMD_ANTSEL, 0); 3828 run_read(sc, RT2860_GPIO_CTRL, &tmp); 3829 run_write(sc, RT2860_GPIO_CTRL, (tmp & ~0x0808) | 0x08); 3830 } else { 3831 run_mcu_cmd(sc, RT2860_MCU_CMD_ANTSEL, 1); 3832 run_read(sc, RT2860_GPIO_CTRL, &tmp); 3833 run_write(sc, RT2860_GPIO_CTRL, tmp & ~0x0808); 3834 } 3835 } 3836 3837 static int 3838 run_set_chan(struct run_softc *sc, struct ieee80211_channel *c) 3839 { 3840 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 3841 uint32_t chan, group; 3842 3843 chan = ieee80211_chan2ieee(ic, c); 3844 if (chan == 0 || chan == IEEE80211_CHAN_ANY) 3845 return (EINVAL); 3846 3847 if (sc->mac_ver == 0x3572) 3848 run_rt3572_set_chan(sc, chan); 3849 else if (sc->mac_ver >= 0x3070) 3850 run_rt3070_set_chan(sc, chan); 3851 else 3852 run_rt2870_set_chan(sc, chan); 3853 3854 /* determine channel group */ 3855 if (chan <= 14) 3856 group = 0; 3857 else if (chan <= 64) 3858 group = 1; 3859 else if (chan <= 128) 3860 group = 2; 3861 else 3862 group = 3; 3863 3864 /* XXX necessary only when group has changed! */ 3865 run_select_chan_group(sc, group); 3866 3867 run_delay(sc, 10); 3868 3869 return (0); 3870 } 3871 3872 static void 3873 run_set_channel(struct ieee80211com *ic) 3874 { 3875 struct run_softc *sc = ic->ic_ifp->if_softc; 3876 3877 RUN_LOCK(sc); 3878 run_set_chan(sc, ic->ic_curchan); 3879 RUN_UNLOCK(sc); 3880 3881 return; 3882 } 3883 3884 static void 3885 run_scan_start(struct ieee80211com *ic) 3886 { 3887 struct run_softc *sc = ic->ic_ifp->if_softc; 3888 uint32_t tmp; 3889 3890 RUN_LOCK(sc); 3891 3892 /* abort TSF synchronization */ 3893 run_read(sc, RT2860_BCN_TIME_CFG, &tmp); 3894 run_write(sc, RT2860_BCN_TIME_CFG, 3895 tmp & ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN | 3896 RT2860_TBTT_TIMER_EN)); 3897 run_set_bssid(sc, sc->sc_ifp->if_broadcastaddr); 3898 3899 RUN_UNLOCK(sc); 3900 3901 return; 3902 } 3903 3904 static void 3905 run_scan_end(struct ieee80211com *ic) 3906 { 3907 struct run_softc *sc = ic->ic_ifp->if_softc; 3908 3909 RUN_LOCK(sc); 3910 3911 run_enable_tsf_sync(sc); 3912 /* XXX keep local copy */ 3913 run_set_bssid(sc, sc->sc_bssid); 3914 3915 RUN_UNLOCK(sc); 3916 3917 return; 3918 } 3919 3920 /* 3921 * Could be called from ieee80211_node_timeout() 3922 * (non-sleepable thread) 3923 */ 3924 static void 3925 run_update_beacon(struct ieee80211vap *vap, int item) 3926 { 3927 struct ieee80211com *ic = vap->iv_ic; 3928 struct run_softc *sc = ic->ic_ifp->if_softc; 3929 struct run_vap *rvp = RUN_VAP(vap); 3930 int mcast = 0; 3931 uint32_t i; 3932 3933 KASSERT(vap != NULL, ("no beacon")); 3934 3935 switch (item) { 3936 case IEEE80211_BEACON_ERP: 3937 run_updateslot(ic->ic_ifp); 3938 break; 3939 case IEEE80211_BEACON_HTINFO: 3940 run_updateprot(ic); 3941 break; 3942 case IEEE80211_BEACON_TIM: 3943 mcast = 1; /*TODO*/ 3944 break; 3945 default: 3946 break; 3947 } 3948 3949 setbit(rvp->bo.bo_flags, item); 3950 ieee80211_beacon_update(vap->iv_bss, &rvp->bo, rvp->beacon_mbuf, mcast); 3951 3952 i = RUN_CMDQ_GET(&sc->cmdq_store); 3953 DPRINTF("cmdq_store=%d\n", i); 3954 sc->cmdq[i].func = run_update_beacon_cb; 3955 sc->cmdq[i].arg0 = vap; 3956 ieee80211_runtask(ic, &sc->cmdq_task); 3957 3958 return; 3959 } 3960 3961 static void 3962 run_update_beacon_cb(void *arg) 3963 { 3964 struct ieee80211vap *vap = arg; 3965 struct run_vap *rvp = RUN_VAP(vap); 3966 struct ieee80211com *ic = vap->iv_ic; 3967 struct run_softc *sc = ic->ic_ifp->if_softc; 3968 struct rt2860_txwi txwi; 3969 struct mbuf *m; 3970 uint8_t ridx; 3971 3972 if (vap->iv_bss->ni_chan == IEEE80211_CHAN_ANYC) 3973 return; 3974 3975 /* 3976 * No need to call ieee80211_beacon_update(), run_update_beacon() 3977 * is taking care of apropriate calls. 3978 */ 3979 if (rvp->beacon_mbuf == NULL) { 3980 rvp->beacon_mbuf = ieee80211_beacon_alloc(vap->iv_bss, 3981 &rvp->bo); 3982 if (rvp->beacon_mbuf == NULL) 3983 return; 3984 } 3985 m = rvp->beacon_mbuf; 3986 3987 memset(&txwi, 0, sizeof txwi); 3988 txwi.wcid = 0xff; 3989 txwi.len = htole16(m->m_pkthdr.len); 3990 /* send beacons at the lowest available rate */ 3991 ridx = (ic->ic_curmode == IEEE80211_MODE_11A) ? 3992 RT2860_RIDX_OFDM6 : RT2860_RIDX_CCK1; 3993 txwi.phy = htole16(rt2860_rates[ridx].mcs); 3994 if (rt2860_rates[ridx].phy == IEEE80211_T_OFDM) 3995 txwi.phy |= htole16(RT2860_PHY_OFDM); 3996 txwi.txop = RT2860_TX_TXOP_HT; 3997 txwi.flags = RT2860_TX_TS; 3998 txwi.xflags = RT2860_TX_NSEQ; 3999 4000 run_write_region_1(sc, RT2860_BCN_BASE(rvp->rvp_id), 4001 (uint8_t *)&txwi, sizeof txwi); 4002 run_write_region_1(sc, RT2860_BCN_BASE(rvp->rvp_id) + sizeof txwi, 4003 mtod(m, uint8_t *), (m->m_pkthdr.len + 1) & ~1); /* roundup len */ 4004 4005 return; 4006 } 4007 4008 static void 4009 run_updateprot(struct ieee80211com *ic) 4010 { 4011 struct run_softc *sc = ic->ic_ifp->if_softc; 4012 uint32_t i; 4013 4014 i = RUN_CMDQ_GET(&sc->cmdq_store); 4015 DPRINTF("cmdq_store=%d\n", i); 4016 sc->cmdq[i].func = run_updateprot_cb; 4017 sc->cmdq[i].arg0 = ic; 4018 ieee80211_runtask(ic, &sc->cmdq_task); 4019 } 4020 4021 static void 4022 run_updateprot_cb(void *arg) 4023 { 4024 struct ieee80211com *ic = arg; 4025 struct run_softc *sc = ic->ic_ifp->if_softc; 4026 uint32_t tmp; 4027 4028 tmp = RT2860_RTSTH_EN | RT2860_PROT_NAV_SHORT | RT2860_TXOP_ALLOW_ALL; 4029 /* setup protection frame rate (MCS code) */ 4030 tmp |= (ic->ic_curmode == IEEE80211_MODE_11A) ? 4031 rt2860_rates[RT2860_RIDX_OFDM6].mcs : 4032 rt2860_rates[RT2860_RIDX_CCK11].mcs; 4033 4034 /* CCK frames don't require protection */ 4035 run_write(sc, RT2860_CCK_PROT_CFG, tmp); 4036 if (ic->ic_flags & IEEE80211_F_USEPROT) { 4037 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS) 4038 tmp |= RT2860_PROT_CTRL_RTS_CTS; 4039 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY) 4040 tmp |= RT2860_PROT_CTRL_CTS; 4041 } 4042 run_write(sc, RT2860_OFDM_PROT_CFG, tmp); 4043 } 4044 4045 static void 4046 run_usb_timeout_cb(void *arg) 4047 { 4048 struct ieee80211vap *vap = arg; 4049 struct run_softc *sc = vap->iv_ic->ic_ifp->if_softc; 4050 4051 RUN_LOCK_ASSERT(sc, MA_OWNED); 4052 4053 if(vap->iv_state == IEEE80211_S_RUN && 4054 vap->iv_opmode != IEEE80211_M_STA) 4055 run_reset_livelock(sc); 4056 else if (vap->iv_state == IEEE80211_S_SCAN) { 4057 DPRINTF("timeout caused by scan\n"); 4058 /* cancel bgscan */ 4059 ieee80211_cancel_scan(vap); 4060 } else 4061 DPRINTF("timeout by unknown cause\n"); 4062 } 4063 4064 static void 4065 run_reset_livelock(struct run_softc *sc) 4066 { 4067 uint32_t tmp; 4068 4069 RUN_LOCK_ASSERT(sc, MA_OWNED); 4070 4071 /* 4072 * In IBSS or HostAP modes (when the hardware sends beacons), the MAC 4073 * can run into a livelock and start sending CTS-to-self frames like 4074 * crazy if protection is enabled. Reset MAC/BBP for a while 4075 */ 4076 run_read(sc, RT2860_DEBUG, &tmp); 4077 DPRINTFN(3, "debug reg %08x\n", tmp); 4078 if ((tmp & (1 << 29)) && (tmp & (1 << 7 | 1 << 5))) { 4079 DPRINTF("CTS-to-self livelock detected\n"); 4080 run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_SRST); 4081 run_delay(sc, 1); 4082 run_write(sc, RT2860_MAC_SYS_CTRL, 4083 RT2860_MAC_RX_EN | RT2860_MAC_TX_EN); 4084 } 4085 } 4086 4087 static void 4088 run_update_promisc_locked(struct ifnet *ifp) 4089 { 4090 struct run_softc *sc = ifp->if_softc; 4091 uint32_t tmp; 4092 4093 run_read(sc, RT2860_RX_FILTR_CFG, &tmp); 4094 4095 tmp |= RT2860_DROP_UC_NOME; 4096 if (ifp->if_flags & IFF_PROMISC) 4097 tmp &= ~RT2860_DROP_UC_NOME; 4098 4099 run_write(sc, RT2860_RX_FILTR_CFG, tmp); 4100 4101 DPRINTF("%s promiscuous mode\n", (ifp->if_flags & IFF_PROMISC) ? 4102 "entering" : "leaving"); 4103 } 4104 4105 static void 4106 run_update_promisc(struct ifnet *ifp) 4107 { 4108 struct run_softc *sc = ifp->if_softc; 4109 4110 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 4111 return; 4112 4113 RUN_LOCK(sc); 4114 run_update_promisc_locked(ifp); 4115 RUN_UNLOCK(sc); 4116 } 4117 4118 static void 4119 run_enable_tsf_sync(struct run_softc *sc) 4120 { 4121 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4122 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 4123 uint32_t tmp; 4124 4125 DPRINTF("rvp_id=%d ic_opmode=%d\n", RUN_VAP(vap)->rvp_id, ic->ic_opmode); 4126 4127 run_read(sc, RT2860_BCN_TIME_CFG, &tmp); 4128 tmp &= ~0x1fffff; 4129 tmp |= vap->iv_bss->ni_intval * 16; 4130 tmp |= RT2860_TSF_TIMER_EN | RT2860_TBTT_TIMER_EN; 4131 4132 if (ic->ic_opmode == IEEE80211_M_STA) { 4133 /* 4134 * Local TSF is always updated with remote TSF on beacon 4135 * reception. 4136 */ 4137 tmp |= 1 << RT2860_TSF_SYNC_MODE_SHIFT; 4138 } else if (ic->ic_opmode == IEEE80211_M_IBSS) { 4139 tmp |= RT2860_BCN_TX_EN; 4140 /* 4141 * Local TSF is updated with remote TSF on beacon reception 4142 * only if the remote TSF is greater than local TSF. 4143 */ 4144 tmp |= 2 << RT2860_TSF_SYNC_MODE_SHIFT; 4145 } else if (ic->ic_opmode == IEEE80211_M_HOSTAP || 4146 ic->ic_opmode == IEEE80211_M_MBSS) { 4147 tmp |= RT2860_BCN_TX_EN; 4148 /* SYNC with nobody */ 4149 tmp |= 3 << RT2860_TSF_SYNC_MODE_SHIFT; 4150 } else { 4151 DPRINTF("Enabling TSF failed. undefined opmode\n"); 4152 return; 4153 } 4154 4155 run_write(sc, RT2860_BCN_TIME_CFG, tmp); 4156 } 4157 4158 static void 4159 run_enable_mrr(struct run_softc *sc) 4160 { 4161 #define CCK(mcs) (mcs) 4162 #define OFDM(mcs) (1 << 3 | (mcs)) 4163 run_write(sc, RT2860_LG_FBK_CFG0, 4164 OFDM(6) << 28 | /* 54->48 */ 4165 OFDM(5) << 24 | /* 48->36 */ 4166 OFDM(4) << 20 | /* 36->24 */ 4167 OFDM(3) << 16 | /* 24->18 */ 4168 OFDM(2) << 12 | /* 18->12 */ 4169 OFDM(1) << 8 | /* 12-> 9 */ 4170 OFDM(0) << 4 | /* 9-> 6 */ 4171 OFDM(0)); /* 6-> 6 */ 4172 4173 run_write(sc, RT2860_LG_FBK_CFG1, 4174 CCK(2) << 12 | /* 11->5.5 */ 4175 CCK(1) << 8 | /* 5.5-> 2 */ 4176 CCK(0) << 4 | /* 2-> 1 */ 4177 CCK(0)); /* 1-> 1 */ 4178 #undef OFDM 4179 #undef CCK 4180 } 4181 4182 static void 4183 run_set_txpreamble(struct run_softc *sc) 4184 { 4185 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4186 uint32_t tmp; 4187 4188 run_read(sc, RT2860_AUTO_RSP_CFG, &tmp); 4189 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 4190 tmp |= RT2860_CCK_SHORT_EN; 4191 else 4192 tmp &= ~RT2860_CCK_SHORT_EN; 4193 run_write(sc, RT2860_AUTO_RSP_CFG, tmp); 4194 } 4195 4196 static void 4197 run_set_basicrates(struct run_softc *sc) 4198 { 4199 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4200 4201 /* set basic rates mask */ 4202 if (ic->ic_curmode == IEEE80211_MODE_11B) 4203 run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x003); 4204 else if (ic->ic_curmode == IEEE80211_MODE_11A) 4205 run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x150); 4206 else /* 11g */ 4207 run_write(sc, RT2860_LEGACY_BASIC_RATE, 0x15f); 4208 } 4209 4210 static void 4211 run_set_leds(struct run_softc *sc, uint16_t which) 4212 { 4213 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LEDS, 4214 which | (sc->leds & 0x7f)); 4215 } 4216 4217 static void 4218 run_set_bssid(struct run_softc *sc, const uint8_t *bssid) 4219 { 4220 run_write(sc, RT2860_MAC_BSSID_DW0, 4221 bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24); 4222 run_write(sc, RT2860_MAC_BSSID_DW1, 4223 bssid[4] | bssid[5] << 8); 4224 } 4225 4226 static void 4227 run_set_macaddr(struct run_softc *sc, const uint8_t *addr) 4228 { 4229 run_write(sc, RT2860_MAC_ADDR_DW0, 4230 addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24); 4231 run_write(sc, RT2860_MAC_ADDR_DW1, 4232 addr[4] | addr[5] << 8 | 0xff << 16); 4233 } 4234 4235 static void 4236 run_updateslot(struct ifnet *ifp) 4237 { 4238 struct run_softc *sc = ifp->if_softc; 4239 struct ieee80211com *ic = ifp->if_l2com; 4240 uint32_t i; 4241 4242 i = RUN_CMDQ_GET(&sc->cmdq_store); 4243 DPRINTF("cmdq_store=%d\n", i); 4244 sc->cmdq[i].func = run_updateslot_cb; 4245 sc->cmdq[i].arg0 = ifp; 4246 ieee80211_runtask(ic, &sc->cmdq_task); 4247 4248 return; 4249 } 4250 4251 /* ARGSUSED */ 4252 static void 4253 run_updateslot_cb(void *arg) 4254 { 4255 struct ifnet *ifp = arg; 4256 struct run_softc *sc = ifp->if_softc; 4257 struct ieee80211com *ic = ifp->if_l2com; 4258 uint32_t tmp; 4259 4260 run_read(sc, RT2860_BKOFF_SLOT_CFG, &tmp); 4261 tmp &= ~0xff; 4262 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 4263 run_write(sc, RT2860_BKOFF_SLOT_CFG, tmp); 4264 } 4265 4266 static void 4267 run_update_mcast(struct ifnet *ifp) 4268 { 4269 /* h/w filter supports getting everything or nothing */ 4270 ifp->if_flags |= IFF_ALLMULTI; 4271 } 4272 4273 static int8_t 4274 run_rssi2dbm(struct run_softc *sc, uint8_t rssi, uint8_t rxchain) 4275 { 4276 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4277 struct ieee80211_channel *c = ic->ic_curchan; 4278 int delta; 4279 4280 if (IEEE80211_IS_CHAN_5GHZ(c)) { 4281 uint32_t chan = ieee80211_chan2ieee(ic, c); 4282 delta = sc->rssi_5ghz[rxchain]; 4283 4284 /* determine channel group */ 4285 if (chan <= 64) 4286 delta -= sc->lna[1]; 4287 else if (chan <= 128) 4288 delta -= sc->lna[2]; 4289 else 4290 delta -= sc->lna[3]; 4291 } else 4292 delta = sc->rssi_2ghz[rxchain] - sc->lna[0]; 4293 4294 return (-12 - delta - rssi); 4295 } 4296 4297 static int 4298 run_bbp_init(struct run_softc *sc) 4299 { 4300 int i, error, ntries; 4301 uint8_t bbp0; 4302 4303 /* wait for BBP to wake up */ 4304 for (ntries = 0; ntries < 20; ntries++) { 4305 if ((error = run_bbp_read(sc, 0, &bbp0)) != 0) 4306 return error; 4307 if (bbp0 != 0 && bbp0 != 0xff) 4308 break; 4309 } 4310 if (ntries == 20) 4311 return (ETIMEDOUT); 4312 4313 /* initialize BBP registers to default values */ 4314 for (i = 0; i < nitems(rt2860_def_bbp); i++) { 4315 run_bbp_write(sc, rt2860_def_bbp[i].reg, 4316 rt2860_def_bbp[i].val); 4317 } 4318 4319 /* fix BBP84 for RT2860E */ 4320 if (sc->mac_ver == 0x2860 && sc->mac_rev != 0x0101) 4321 run_bbp_write(sc, 84, 0x19); 4322 4323 if (sc->mac_ver >= 0x3070) { 4324 run_bbp_write(sc, 79, 0x13); 4325 run_bbp_write(sc, 80, 0x05); 4326 run_bbp_write(sc, 81, 0x33); 4327 } else if (sc->mac_ver == 0x2860 && sc->mac_rev == 0x0100) { 4328 run_bbp_write(sc, 69, 0x16); 4329 run_bbp_write(sc, 73, 0x12); 4330 } 4331 return (0); 4332 } 4333 4334 static int 4335 run_rt3070_rf_init(struct run_softc *sc) 4336 { 4337 uint32_t tmp; 4338 uint8_t rf, target, bbp4; 4339 int i; 4340 4341 run_rt3070_rf_read(sc, 30, &rf); 4342 /* toggle RF R30 bit 7 */ 4343 run_rt3070_rf_write(sc, 30, rf | 0x80); 4344 run_delay(sc, 10); 4345 run_rt3070_rf_write(sc, 30, rf & ~0x80); 4346 4347 /* initialize RF registers to default value */ 4348 if (sc->mac_ver == 0x3572) { 4349 for (i = 0; i < nitems(rt3572_def_rf); i++) { 4350 run_rt3070_rf_write(sc, rt3572_def_rf[i].reg, 4351 rt3572_def_rf[i].val); 4352 } 4353 } else { 4354 for (i = 0; i < nitems(rt3070_def_rf); i++) { 4355 run_rt3070_rf_write(sc, rt3070_def_rf[i].reg, 4356 rt3070_def_rf[i].val); 4357 } 4358 } 4359 4360 if (sc->mac_ver == 0x3070) { 4361 /* change voltage from 1.2V to 1.35V for RT3070 */ 4362 run_read(sc, RT3070_LDO_CFG0, &tmp); 4363 tmp = (tmp & ~0x0f000000) | 0x0d000000; 4364 run_write(sc, RT3070_LDO_CFG0, tmp); 4365 4366 } else if (sc->mac_ver == 0x3071) { 4367 run_rt3070_rf_read(sc, 6, &rf); 4368 run_rt3070_rf_write(sc, 6, rf | 0x40); 4369 run_rt3070_rf_write(sc, 31, 0x14); 4370 4371 run_read(sc, RT3070_LDO_CFG0, &tmp); 4372 tmp &= ~0x1f000000; 4373 if (sc->mac_rev < 0x0211) 4374 tmp |= 0x0d000000; /* 1.3V */ 4375 else 4376 tmp |= 0x01000000; /* 1.2V */ 4377 run_write(sc, RT3070_LDO_CFG0, tmp); 4378 4379 /* patch LNA_PE_G1 */ 4380 run_read(sc, RT3070_GPIO_SWITCH, &tmp); 4381 run_write(sc, RT3070_GPIO_SWITCH, tmp & ~0x20); 4382 4383 } else if (sc->mac_ver == 0x3572) { 4384 run_rt3070_rf_read(sc, 6, &rf); 4385 run_rt3070_rf_write(sc, 6, rf | 0x40); 4386 4387 /* increase voltage from 1.2V to 1.35V */ 4388 run_read(sc, RT3070_LDO_CFG0, &tmp); 4389 tmp = (tmp & ~0x1f000000) | 0x0d000000; 4390 run_write(sc, RT3070_LDO_CFG0, tmp); 4391 4392 if (sc->mac_rev < 0x0211 || !sc->patch_dac) { 4393 run_delay(sc, 1); /* wait for 1msec */ 4394 /* decrease voltage back to 1.2V */ 4395 tmp = (tmp & ~0x1f000000) | 0x01000000; 4396 run_write(sc, RT3070_LDO_CFG0, tmp); 4397 } 4398 } 4399 4400 /* select 20MHz bandwidth */ 4401 run_rt3070_rf_read(sc, 31, &rf); 4402 run_rt3070_rf_write(sc, 31, rf & ~0x20); 4403 4404 /* calibrate filter for 20MHz bandwidth */ 4405 sc->rf24_20mhz = 0x1f; /* default value */ 4406 target = (sc->mac_ver < 0x3071) ? 0x16 : 0x13; 4407 run_rt3070_filter_calib(sc, 0x07, target, &sc->rf24_20mhz); 4408 4409 /* select 40MHz bandwidth */ 4410 run_bbp_read(sc, 4, &bbp4); 4411 run_bbp_write(sc, 4, (bbp4 & ~0x08) | 0x10); 4412 run_rt3070_rf_read(sc, 31, &rf); 4413 run_rt3070_rf_write(sc, 31, rf | 0x20); 4414 4415 /* calibrate filter for 40MHz bandwidth */ 4416 sc->rf24_40mhz = 0x2f; /* default value */ 4417 target = (sc->mac_ver < 0x3071) ? 0x19 : 0x15; 4418 run_rt3070_filter_calib(sc, 0x27, target, &sc->rf24_40mhz); 4419 4420 /* go back to 20MHz bandwidth */ 4421 run_bbp_read(sc, 4, &bbp4); 4422 run_bbp_write(sc, 4, bbp4 & ~0x18); 4423 4424 if (sc->mac_ver == 0x3572) { 4425 /* save default BBP registers 25 and 26 values */ 4426 run_bbp_read(sc, 25, &sc->bbp25); 4427 run_bbp_read(sc, 26, &sc->bbp26); 4428 } else if (sc->mac_rev < 0x0211) 4429 run_rt3070_rf_write(sc, 27, 0x03); 4430 4431 run_read(sc, RT3070_OPT_14, &tmp); 4432 run_write(sc, RT3070_OPT_14, tmp | 1); 4433 4434 if (sc->mac_ver == 0x3070 || sc->mac_ver == 0x3071) { 4435 run_rt3070_rf_read(sc, 17, &rf); 4436 rf &= ~RT3070_TX_LO1; 4437 if ((sc->mac_ver == 0x3070 || 4438 (sc->mac_ver == 0x3071 && sc->mac_rev >= 0x0211)) && 4439 !sc->ext_2ghz_lna) 4440 rf |= 0x20; /* fix for long range Rx issue */ 4441 if (sc->txmixgain_2ghz >= 1) 4442 rf = (rf & ~0x7) | sc->txmixgain_2ghz; 4443 run_rt3070_rf_write(sc, 17, rf); 4444 } 4445 4446 if (sc->mac_rev == 0x3071) { 4447 run_rt3070_rf_read(sc, 1, &rf); 4448 rf &= ~(RT3070_RX0_PD | RT3070_TX0_PD); 4449 rf |= RT3070_RF_BLOCK | RT3070_RX1_PD | RT3070_TX1_PD; 4450 run_rt3070_rf_write(sc, 1, rf); 4451 4452 run_rt3070_rf_read(sc, 15, &rf); 4453 run_rt3070_rf_write(sc, 15, rf & ~RT3070_TX_LO2); 4454 4455 run_rt3070_rf_read(sc, 20, &rf); 4456 run_rt3070_rf_write(sc, 20, rf & ~RT3070_RX_LO1); 4457 4458 run_rt3070_rf_read(sc, 21, &rf); 4459 run_rt3070_rf_write(sc, 21, rf & ~RT3070_RX_LO2); 4460 } 4461 4462 if (sc->mac_ver == 0x3070 || sc->mac_ver == 0x3071) { 4463 /* fix Tx to Rx IQ glitch by raising RF voltage */ 4464 run_rt3070_rf_read(sc, 27, &rf); 4465 rf &= ~0x77; 4466 if (sc->mac_rev < 0x0211) 4467 rf |= 0x03; 4468 run_rt3070_rf_write(sc, 27, rf); 4469 } 4470 return (0); 4471 } 4472 4473 static int 4474 run_rt3070_filter_calib(struct run_softc *sc, uint8_t init, uint8_t target, 4475 uint8_t *val) 4476 { 4477 uint8_t rf22, rf24; 4478 uint8_t bbp55_pb, bbp55_sb, delta; 4479 int ntries; 4480 4481 /* program filter */ 4482 run_rt3070_rf_read(sc, 24, &rf24); 4483 rf24 = (rf24 & 0xc0) | init; /* initial filter value */ 4484 run_rt3070_rf_write(sc, 24, rf24); 4485 4486 /* enable baseband loopback mode */ 4487 run_rt3070_rf_read(sc, 22, &rf22); 4488 run_rt3070_rf_write(sc, 22, rf22 | 0x01); 4489 4490 /* set power and frequency of passband test tone */ 4491 run_bbp_write(sc, 24, 0x00); 4492 for (ntries = 0; ntries < 100; ntries++) { 4493 /* transmit test tone */ 4494 run_bbp_write(sc, 25, 0x90); 4495 run_delay(sc, 10); 4496 /* read received power */ 4497 run_bbp_read(sc, 55, &bbp55_pb); 4498 if (bbp55_pb != 0) 4499 break; 4500 } 4501 if (ntries == 100) 4502 return ETIMEDOUT; 4503 4504 /* set power and frequency of stopband test tone */ 4505 run_bbp_write(sc, 24, 0x06); 4506 for (ntries = 0; ntries < 100; ntries++) { 4507 /* transmit test tone */ 4508 run_bbp_write(sc, 25, 0x90); 4509 run_delay(sc, 10); 4510 /* read received power */ 4511 run_bbp_read(sc, 55, &bbp55_sb); 4512 4513 delta = bbp55_pb - bbp55_sb; 4514 if (delta > target) 4515 break; 4516 4517 /* reprogram filter */ 4518 rf24++; 4519 run_rt3070_rf_write(sc, 24, rf24); 4520 } 4521 if (ntries < 100) { 4522 if (rf24 != init) 4523 rf24--; /* backtrack */ 4524 *val = rf24; 4525 run_rt3070_rf_write(sc, 24, rf24); 4526 } 4527 4528 /* restore initial state */ 4529 run_bbp_write(sc, 24, 0x00); 4530 4531 /* disable baseband loopback mode */ 4532 run_rt3070_rf_read(sc, 22, &rf22); 4533 run_rt3070_rf_write(sc, 22, rf22 & ~0x01); 4534 4535 return (0); 4536 } 4537 4538 static void 4539 run_rt3070_rf_setup(struct run_softc *sc) 4540 { 4541 uint8_t bbp, rf; 4542 int i; 4543 4544 if (sc->mac_ver == 0x3572) { 4545 /* enable DC filter */ 4546 if (sc->mac_rev >= 0x0201) 4547 run_bbp_write(sc, 103, 0xc0); 4548 4549 run_bbp_read(sc, 138, &bbp); 4550 if (sc->ntxchains == 1) 4551 bbp |= 0x20; /* turn off DAC1 */ 4552 if (sc->nrxchains == 1) 4553 bbp &= ~0x02; /* turn off ADC1 */ 4554 run_bbp_write(sc, 138, bbp); 4555 4556 if (sc->mac_rev >= 0x0211) { 4557 /* improve power consumption */ 4558 run_bbp_read(sc, 31, &bbp); 4559 run_bbp_write(sc, 31, bbp & ~0x03); 4560 } 4561 4562 run_rt3070_rf_read(sc, 16, &rf); 4563 rf = (rf & ~0x07) | sc->txmixgain_2ghz; 4564 run_rt3070_rf_write(sc, 16, rf); 4565 4566 } else if (sc->mac_ver == 0x3071) { 4567 /* enable DC filter */ 4568 if (sc->mac_rev >= 0x0201) 4569 run_bbp_write(sc, 103, 0xc0); 4570 4571 run_bbp_read(sc, 138, &bbp); 4572 if (sc->ntxchains == 1) 4573 bbp |= 0x20; /* turn off DAC1 */ 4574 if (sc->nrxchains == 1) 4575 bbp &= ~0x02; /* turn off ADC1 */ 4576 run_bbp_write(sc, 138, bbp); 4577 4578 if (sc->mac_rev >= 0x0211) { 4579 /* improve power consumption */ 4580 run_bbp_read(sc, 31, &bbp); 4581 run_bbp_write(sc, 31, bbp & ~0x03); 4582 } 4583 4584 run_write(sc, RT2860_TX_SW_CFG1, 0); 4585 if (sc->mac_rev < 0x0211) { 4586 run_write(sc, RT2860_TX_SW_CFG2, 4587 sc->patch_dac ? 0x2c : 0x0f); 4588 } else 4589 run_write(sc, RT2860_TX_SW_CFG2, 0); 4590 4591 } else if (sc->mac_ver == 0x3070) { 4592 if (sc->mac_rev >= 0x0201) { 4593 /* enable DC filter */ 4594 run_bbp_write(sc, 103, 0xc0); 4595 4596 /* improve power consumption */ 4597 run_bbp_read(sc, 31, &bbp); 4598 run_bbp_write(sc, 31, bbp & ~0x03); 4599 } 4600 4601 if (sc->mac_rev < 0x0211) { 4602 run_write(sc, RT2860_TX_SW_CFG1, 0); 4603 run_write(sc, RT2860_TX_SW_CFG2, 0x2c); 4604 } else 4605 run_write(sc, RT2860_TX_SW_CFG2, 0); 4606 } 4607 4608 /* initialize RF registers from ROM for >=RT3071*/ 4609 if (sc->mac_ver >= 0x3071) { 4610 for (i = 0; i < 10; i++) { 4611 if (sc->rf[i].reg == 0 || sc->rf[i].reg == 0xff) 4612 continue; 4613 run_rt3070_rf_write(sc, sc->rf[i].reg, sc->rf[i].val); 4614 } 4615 } 4616 } 4617 4618 static int 4619 run_txrx_enable(struct run_softc *sc) 4620 { 4621 struct ieee80211com *ic = sc->sc_ifp->if_l2com; 4622 uint32_t tmp; 4623 int error, ntries; 4624 4625 run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_MAC_TX_EN); 4626 for (ntries = 0; ntries < 200; ntries++) { 4627 if ((error = run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp)) != 0) 4628 return error; 4629 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0) 4630 break; 4631 run_delay(sc, 50); 4632 } 4633 if (ntries == 200) 4634 return ETIMEDOUT; 4635 4636 run_delay(sc, 50); 4637 4638 tmp |= RT2860_RX_DMA_EN | RT2860_TX_DMA_EN | RT2860_TX_WB_DDONE; 4639 run_write(sc, RT2860_WPDMA_GLO_CFG, tmp); 4640 4641 /* enable Rx bulk aggregation (set timeout and limit) */ 4642 tmp = RT2860_USB_TX_EN | RT2860_USB_RX_EN | RT2860_USB_RX_AGG_EN | 4643 RT2860_USB_RX_AGG_TO(128) | RT2860_USB_RX_AGG_LMT(2); 4644 run_write(sc, RT2860_USB_DMA_CFG, tmp); 4645 4646 /* set Rx filter */ 4647 tmp = RT2860_DROP_CRC_ERR | RT2860_DROP_PHY_ERR; 4648 if (ic->ic_opmode != IEEE80211_M_MONITOR) { 4649 tmp |= RT2860_DROP_UC_NOME | RT2860_DROP_DUPL | 4650 RT2860_DROP_CTS | RT2860_DROP_BA | RT2860_DROP_ACK | 4651 RT2860_DROP_VER_ERR | RT2860_DROP_CTRL_RSV | 4652 RT2860_DROP_CFACK | RT2860_DROP_CFEND; 4653 if (ic->ic_opmode == IEEE80211_M_STA) 4654 tmp |= RT2860_DROP_RTS | RT2860_DROP_PSPOLL; 4655 } 4656 run_write(sc, RT2860_RX_FILTR_CFG, tmp); 4657 4658 run_write(sc, RT2860_MAC_SYS_CTRL, 4659 RT2860_MAC_RX_EN | RT2860_MAC_TX_EN); 4660 4661 return (0); 4662 } 4663 4664 static void 4665 run_init_locked(struct run_softc *sc) 4666 { 4667 struct ifnet *ifp = sc->sc_ifp; 4668 struct ieee80211com *ic = ifp->if_l2com; 4669 uint32_t tmp; 4670 uint8_t bbp1, bbp3; 4671 int i; 4672 int ridx; 4673 int ntries; 4674 4675 if (ic->ic_nrunning > 1) 4676 return; 4677 4678 run_stop(sc); 4679 4680 for (ntries = 0; ntries < 100; ntries++) { 4681 if (run_read(sc, RT2860_ASIC_VER_ID, &tmp) != 0) 4682 goto fail; 4683 if (tmp != 0 && tmp != 0xffffffff) 4684 break; 4685 run_delay(sc, 10); 4686 } 4687 if (ntries == 100) 4688 goto fail; 4689 4690 for (i = 0; i != RUN_EP_QUEUES; i++) 4691 run_setup_tx_list(sc, &sc->sc_epq[i]); 4692 4693 run_set_macaddr(sc, IF_LLADDR(ifp)); 4694 4695 for (ntries = 0; ntries < 100; ntries++) { 4696 if (run_read(sc, RT2860_WPDMA_GLO_CFG, &tmp) != 0) 4697 goto fail; 4698 if ((tmp & (RT2860_TX_DMA_BUSY | RT2860_RX_DMA_BUSY)) == 0) 4699 break; 4700 run_delay(sc, 10); 4701 } 4702 if (ntries == 100) { 4703 device_printf(sc->sc_dev, "timeout waiting for DMA engine\n"); 4704 goto fail; 4705 } 4706 tmp &= 0xff0; 4707 tmp |= RT2860_TX_WB_DDONE; 4708 run_write(sc, RT2860_WPDMA_GLO_CFG, tmp); 4709 4710 /* turn off PME_OEN to solve high-current issue */ 4711 run_read(sc, RT2860_SYS_CTRL, &tmp); 4712 run_write(sc, RT2860_SYS_CTRL, tmp & ~RT2860_PME_OEN); 4713 4714 run_write(sc, RT2860_MAC_SYS_CTRL, 4715 RT2860_BBP_HRST | RT2860_MAC_SRST); 4716 run_write(sc, RT2860_USB_DMA_CFG, 0); 4717 4718 if (run_reset(sc) != 0) { 4719 device_printf(sc->sc_dev, "could not reset chipset\n"); 4720 goto fail; 4721 } 4722 4723 run_write(sc, RT2860_MAC_SYS_CTRL, 0); 4724 4725 /* init Tx power for all Tx rates (from EEPROM) */ 4726 for (ridx = 0; ridx < 5; ridx++) { 4727 if (sc->txpow20mhz[ridx] == 0xffffffff) 4728 continue; 4729 run_write(sc, RT2860_TX_PWR_CFG(ridx), sc->txpow20mhz[ridx]); 4730 } 4731 4732 for (i = 0; i < nitems(rt2870_def_mac); i++) 4733 run_write(sc, rt2870_def_mac[i].reg, rt2870_def_mac[i].val); 4734 run_write(sc, RT2860_WMM_AIFSN_CFG, 0x00002273); 4735 run_write(sc, RT2860_WMM_CWMIN_CFG, 0x00002344); 4736 run_write(sc, RT2860_WMM_CWMAX_CFG, 0x000034aa); 4737 4738 if (sc->mac_ver >= 0x3070) { 4739 /* set delay of PA_PE assertion to 1us (unit of 0.25us) */ 4740 run_write(sc, RT2860_TX_SW_CFG0, 4741 4 << RT2860_DLY_PAPE_EN_SHIFT); 4742 } 4743 4744 /* wait while MAC is busy */ 4745 for (ntries = 0; ntries < 100; ntries++) { 4746 if (run_read(sc, RT2860_MAC_STATUS_REG, &tmp) != 0) 4747 goto fail; 4748 if (!(tmp & (RT2860_RX_STATUS_BUSY | RT2860_TX_STATUS_BUSY))) 4749 break; 4750 run_delay(sc, 10); 4751 } 4752 if (ntries == 100) 4753 goto fail; 4754 4755 /* clear Host to MCU mailbox */ 4756 run_write(sc, RT2860_H2M_BBPAGENT, 0); 4757 run_write(sc, RT2860_H2M_MAILBOX, 0); 4758 run_delay(sc, 10); 4759 4760 if (run_bbp_init(sc) != 0) { 4761 device_printf(sc->sc_dev, "could not initialize BBP\n"); 4762 goto fail; 4763 } 4764 4765 /* abort TSF synchronization */ 4766 run_read(sc, RT2860_BCN_TIME_CFG, &tmp); 4767 tmp &= ~(RT2860_BCN_TX_EN | RT2860_TSF_TIMER_EN | 4768 RT2860_TBTT_TIMER_EN); 4769 run_write(sc, RT2860_BCN_TIME_CFG, tmp); 4770 4771 /* clear RX WCID search table */ 4772 run_set_region_4(sc, RT2860_WCID_ENTRY(0), 0, 512); 4773 /* clear WCID attribute table */ 4774 run_set_region_4(sc, RT2860_WCID_ATTR(0), 0, 8 * 32); 4775 4776 /* hostapd sets a key before init. So, don't clear it. */ 4777 if (sc->cmdq_key_set != RUN_CMDQ_GO) { 4778 /* clear shared key table */ 4779 run_set_region_4(sc, RT2860_SKEY(0, 0), 0, 8 * 32); 4780 /* clear shared key mode */ 4781 run_set_region_4(sc, RT2860_SKEY_MODE_0_7, 0, 4); 4782 } 4783 4784 run_read(sc, RT2860_US_CYC_CNT, &tmp); 4785 tmp = (tmp & ~0xff) | 0x1e; 4786 run_write(sc, RT2860_US_CYC_CNT, tmp); 4787 4788 if (sc->mac_rev != 0x0101) 4789 run_write(sc, RT2860_TXOP_CTRL_CFG, 0x0000583f); 4790 4791 run_write(sc, RT2860_WMM_TXOP0_CFG, 0); 4792 run_write(sc, RT2860_WMM_TXOP1_CFG, 48 << 16 | 96); 4793 4794 /* write vendor-specific BBP values (from EEPROM) */ 4795 for (i = 0; i < 10; i++) { 4796 if (sc->bbp[i].reg == 0 || sc->bbp[i].reg == 0xff) 4797 continue; 4798 run_bbp_write(sc, sc->bbp[i].reg, sc->bbp[i].val); 4799 } 4800 4801 /* select Main antenna for 1T1R devices */ 4802 if (sc->rf_rev == RT3070_RF_3020) 4803 run_set_rx_antenna(sc, 0); 4804 4805 /* send LEDs operating mode to microcontroller */ 4806 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED1, sc->led[0]); 4807 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED2, sc->led[1]); 4808 (void)run_mcu_cmd(sc, RT2860_MCU_CMD_LED3, sc->led[2]); 4809 4810 if (sc->mac_ver >= 0x3070) 4811 run_rt3070_rf_init(sc); 4812 4813 /* disable non-existing Rx chains */ 4814 run_bbp_read(sc, 3, &bbp3); 4815 bbp3 &= ~(1 << 3 | 1 << 4); 4816 if (sc->nrxchains == 2) 4817 bbp3 |= 1 << 3; 4818 else if (sc->nrxchains == 3) 4819 bbp3 |= 1 << 4; 4820 run_bbp_write(sc, 3, bbp3); 4821 4822 /* disable non-existing Tx chains */ 4823 run_bbp_read(sc, 1, &bbp1); 4824 if (sc->ntxchains == 1) 4825 bbp1 &= ~(1 << 3 | 1 << 4); 4826 run_bbp_write(sc, 1, bbp1); 4827 4828 if (sc->mac_ver >= 0x3070) 4829 run_rt3070_rf_setup(sc); 4830 4831 /* select default channel */ 4832 run_set_chan(sc, ic->ic_curchan); 4833 4834 /* setup initial protection mode */ 4835 run_updateprot_cb(ic); 4836 4837 /* turn radio LED on */ 4838 run_set_leds(sc, RT2860_LED_RADIO); 4839 4840 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 4841 ifp->if_drv_flags |= IFF_DRV_RUNNING; 4842 sc->cmdq_run = RUN_CMDQ_GO; 4843 4844 for (i = 0; i != RUN_N_XFER; i++) 4845 usbd_xfer_set_stall(sc->sc_xfer[i]); 4846 4847 usbd_transfer_start(sc->sc_xfer[RUN_BULK_RX]); 4848 4849 if (run_txrx_enable(sc) != 0) 4850 goto fail; 4851 4852 return; 4853 4854 fail: 4855 run_stop(sc); 4856 } 4857 4858 static void 4859 run_init(void *arg) 4860 { 4861 struct run_softc *sc = arg; 4862 struct ifnet *ifp = sc->sc_ifp; 4863 struct ieee80211com *ic = ifp->if_l2com; 4864 4865 RUN_LOCK(sc); 4866 run_init_locked(sc); 4867 RUN_UNLOCK(sc); 4868 4869 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4870 ieee80211_start_all(ic); 4871 } 4872 4873 static void 4874 run_stop(void *arg) 4875 { 4876 struct run_softc *sc = (struct run_softc *)arg; 4877 struct ifnet *ifp = sc->sc_ifp; 4878 uint32_t tmp; 4879 int i; 4880 int ntries; 4881 4882 RUN_LOCK_ASSERT(sc, MA_OWNED); 4883 4884 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 4885 run_set_leds(sc, 0); /* turn all LEDs off */ 4886 4887 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 4888 4889 sc->ratectl_run = RUN_RATECTL_OFF; 4890 sc->cmdq_run = sc->cmdq_key_set; 4891 4892 RUN_UNLOCK(sc); 4893 4894 for(i = 0; i < RUN_N_XFER; i++) 4895 usbd_transfer_drain(sc->sc_xfer[i]); 4896 4897 RUN_LOCK(sc); 4898 4899 if (sc->rx_m != NULL) { 4900 m_free(sc->rx_m); 4901 sc->rx_m = NULL; 4902 } 4903 4904 /* disable Tx/Rx */ 4905 run_read(sc, RT2860_MAC_SYS_CTRL, &tmp); 4906 tmp &= ~(RT2860_MAC_RX_EN | RT2860_MAC_TX_EN); 4907 run_write(sc, RT2860_MAC_SYS_CTRL, tmp); 4908 4909 /* wait for pending Tx to complete */ 4910 for (ntries = 0; ntries < 100; ntries++) { 4911 if (run_read(sc, RT2860_TXRXQ_PCNT, &tmp) != 0) { 4912 DPRINTF("Cannot read Tx queue count\n"); 4913 break; 4914 } 4915 if ((tmp & RT2860_TX2Q_PCNT_MASK) == 0) { 4916 DPRINTF("All Tx cleared\n"); 4917 break; 4918 } 4919 run_delay(sc, 10); 4920 } 4921 if (ntries >= 100) 4922 DPRINTF("There are still pending Tx\n"); 4923 run_delay(sc, 10); 4924 run_write(sc, RT2860_USB_DMA_CFG, 0); 4925 4926 run_write(sc, RT2860_MAC_SYS_CTRL, RT2860_BBP_HRST | RT2860_MAC_SRST); 4927 run_write(sc, RT2860_MAC_SYS_CTRL, 0); 4928 4929 for (i = 0; i != RUN_EP_QUEUES; i++) 4930 run_unsetup_tx_list(sc, &sc->sc_epq[i]); 4931 4932 return; 4933 } 4934 4935 static void 4936 run_delay(struct run_softc *sc, unsigned int ms) 4937 { 4938 usb_pause_mtx(mtx_owned(&sc->sc_mtx) ? 4939 &sc->sc_mtx : NULL, USB_MS_TO_TICKS(ms)); 4940 } 4941 4942 static device_method_t run_methods[] = { 4943 /* Device interface */ 4944 DEVMETHOD(device_probe, run_match), 4945 DEVMETHOD(device_attach, run_attach), 4946 DEVMETHOD(device_detach, run_detach), 4947 4948 { 0, 0 } 4949 }; 4950 4951 static driver_t run_driver = { 4952 "run", 4953 run_methods, 4954 sizeof(struct run_softc) 4955 }; 4956 4957 static devclass_t run_devclass; 4958 4959 DRIVER_MODULE(run, uhub, run_driver, run_devclass, NULL, 0); 4960 MODULE_DEPEND(run, wlan, 1, 1, 1); 4961 MODULE_DEPEND(run, usb, 1, 1, 1); 4962 MODULE_DEPEND(run, firmware, 1, 1, 1); 4963 MODULE_VERSION(run, 1); 4964